Home / 3,691.23-5,100.38-2,951.29

Finding the Fourth Proportional to 3,691.23, 5,100.38 and 2,951.29

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Solution

The fourth proportional to 3,691.23, 5,100.38 and 2,951.29 is: 4,077.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,691.23 : 5,100.38 = 2,951.29 : x
  2. Step 2: Convert to fraction form
    3,691.23/5,100.38 = 2,951.29/x
  3. Step 3: Cross multiply
    3,691.23x = 5,100.38 × 2,951.29
  4. Step 4: Simplify right side
    3,691.23x = 15,052,700.49
  5. Step 5: Solve for x
    x = 15,052,700.49/3,691.23
  6. Step 6: Final answer
    x = 4,077.96

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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.