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Finding the Fourth Proportional to 3,142.57, 4,710.21 and 2,526.97

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Solution

The fourth proportional to 3,142.57, 4,710.21 and 2,526.97 is: 3,787.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,142.57 : 4,710.21 = 2,526.97 : x
  2. Step 2: Convert to fraction form
    3,142.57/4,710.21 = 2,526.97/x
  3. Step 3: Cross multiply
    3,142.57x = 4,710.21 × 2,526.97
  4. Step 4: Simplify right side
    3,142.57x = 11,902,538.11
  5. Step 5: Solve for x
    x = 11,902,538.11/3,142.57
  6. Step 6: Final answer
    x = 3,787.52

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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.