Home / 3,141.28-4,708.08-2,757.28

Finding the Fourth Proportional to 3,141.28, 4,708.08 and 2,757.28

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Solution

The fourth proportional to 3,141.28, 4,708.08 and 2,757.28 is: 4,132.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,141.28 : 4,708.08 = 2,757.28 : x
  2. Step 2: Convert to fraction form
    3,141.28/4,708.08 = 2,757.28/x
  3. Step 3: Cross multiply
    3,141.28x = 4,708.08 × 2,757.28
  4. Step 4: Simplify right side
    3,141.28x = 12,981,494.82
  5. Step 5: Solve for x
    x = 12,981,494.82/3,141.28
  6. Step 6: Final answer
    x = 4,132.55

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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.