Home / 3,972.38-5,960.18-2,930.72

Finding the Fourth Proportional to 3,972.38, 5,960.18 and 2,930.72

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Solution

The fourth proportional to 3,972.38, 5,960.18 and 2,930.72 is: 4,397.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,972.38 : 5,960.18 = 2,930.72 : x
  2. Step 2: Convert to fraction form
    3,972.38/5,960.18 = 2,930.72/x
  3. Step 3: Cross multiply
    3,972.38x = 5,960.18 × 2,930.72
  4. Step 4: Simplify right side
    3,972.38x = 17,467,596.26
  5. Step 5: Solve for x
    x = 17,467,596.26/3,972.38
  6. Step 6: Final answer
    x = 4,397.27

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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.