One question. You said you've 3 dashboards. Are they part of the same workbook?
If yes then follow the instruction as Tharashasank Davuluru has instructed in his post.
If your dashboards are published individually then you've to use URL action to navigate from one dashboard to other published dashboards. Lets assume your dashboards belongs to the same workbook then you can use dashboard filter action. Just follow the attached workbook (version 9.2) for more details.
Let me know if you've any query.
Dashboard actions.twbx 260.1 KB