Finding the Fourth Proportional to 2,754.91, 4,132.87 and 906.55
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Solution
The fourth proportional to 2,754.91, 4,132.87 and 906.55 is: 1,359.99
Step by Step Solution
- Step 1: Write the proportion equation
2,754.91 : 4,132.87 = 906.55 : x - Step 2: Convert to fraction form
2,754.91/4,132.87 = 906.55/x - Step 3: Cross multiply
2,754.91x = 4,132.87 × 906.55 - Step 4: Simplify right side
2,754.91x = 3,746,653.30 - Step 5: Solve for x
x = 3,746,653.30/2,754.91 - Step 6: Final answer
x = 1,359.99
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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.