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Finding the Fourth Proportional to 1,952.62, 2,931.22 and 1,542.04

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Solution

The fourth proportional to 1,952.62, 2,931.22 and 1,542.04 is: 2,314.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,952.62 : 2,931.22 = 1,542.04 : x
  2. Step 2: Convert to fraction form
    1,952.62/2,931.22 = 1,542.04/x
  3. Step 3: Cross multiply
    1,952.62x = 2,931.22 × 1,542.04
  4. Step 4: Simplify right side
    1,952.62x = 4,520,058.49
  5. Step 5: Solve for x
    x = 4,520,058.49/1,952.62
  6. Step 6: Final answer
    x = 2,314.87

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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.