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Finding the Fourth Proportional to 2,527, 3,487.60 and 1,532.66

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Solution

The fourth proportional to 2,527, 3,487.60 and 1,532.66 is: 2,115.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,527 : 3,487.60 = 1,532.66 : x
  2. Step 2: Convert to fraction form
    2,527/3,487.60 = 1,532.66/x
  3. Step 3: Cross multiply
    2,527x = 3,487.60 × 1,532.66
  4. Step 4: Simplify right side
    2,527x = 5,345,305.02
  5. Step 5: Solve for x
    x = 5,345,305.02/2,527
  6. Step 6: Final answer
    x = 2,115.28

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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.