Home / 3,761.29-5,188.31-2,769.13

Finding the Fourth Proportional to 3,761.29, 5,188.31 and 2,769.13

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Solution

The fourth proportional to 3,761.29, 5,188.31 and 2,769.13 is: 3,819.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,761.29 : 5,188.31 = 2,769.13 : x
  2. Step 2: Convert to fraction form
    3,761.29/5,188.31 = 2,769.13/x
  3. Step 3: Cross multiply
    3,761.29x = 5,188.31 × 2,769.13
  4. Step 4: Simplify right side
    3,761.29x = 14,367,078.93
  5. Step 5: Solve for x
    x = 14,367,078.93/3,761.29
  6. Step 6: Final answer
    x = 3,819.73

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1.5x scale

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.