Answer:
-4
Step-by-step explanation:
To find the common ratio, take the second term and divide by the first term
-9/4 ÷ 27/16
Copy dot flip
-9/4 * 16/27
-9/27 * 16/4
-4/3
The common ratio is -4/3
Take the last term and multiply by the common ratio
3 * -4/3
-4
