Finding the Fourth Proportional to 1,566, 2,349 and 540
Calculator
Solution
The fourth proportional to 1,566, 2,349 and 540 is: 810
Step by Step Solution
- Step 1: Write the proportion equation
1,566 : 2,349 = 540 : x - Step 2: Convert to fraction form
1,566/2,349 = 540/x - Step 3: Cross multiply
1,566x = 2,349 × 540 - Step 4: Simplify right side
1,566x = 1,268,460 - Step 5: Solve for x
x = 1,268,460/1,566 - Step 6: Final answer
x = 810
Related Problems
Find fourth proportional to 783, 1,174.50 and 270
Half scale
Find fourth proportional to 3,132, 4,698 and 1,080
Double scale
Find fourth proportional to 1,567, 2,350.50 and 541
Similar ratio
Find fourth proportional to 2,349, 3,523.50 and 810
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.