Finding the Fourth Proportional to 2,716.53, 3,748.86 and 1,474.53
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Solution
The fourth proportional to 2,716.53, 3,748.86 and 1,474.53 is: 2,034.88
Step by Step Solution
- Step 1: Write the proportion equation
2,716.53 : 3,748.86 = 1,474.53 : x - Step 2: Convert to fraction form
2,716.53/3,748.86 = 1,474.53/x - Step 3: Cross multiply
2,716.53x = 3,748.86 × 1,474.53 - Step 4: Simplify right side
2,716.53x = 5,527,812.22 - Step 5: Solve for x
x = 5,527,812.22/2,716.53 - Step 6: Final answer
x = 2,034.88
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.