Home / 3,727.56-5,144.34-2,331.72

Finding the Fourth Proportional to 3,727.56, 5,144.34 and 2,331.72

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Solution

The fourth proportional to 3,727.56, 5,144.34 and 2,331.72 is: 3,217.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,727.56 : 5,144.34 = 2,331.72 : x
  2. Step 2: Convert to fraction form
    3,727.56/5,144.34 = 2,331.72/x
  3. Step 3: Cross multiply
    3,727.56x = 5,144.34 × 2,331.72
  4. Step 4: Simplify right side
    3,727.56x = 11,995,160.46
  5. Step 5: Solve for x
    x = 11,995,160.46/3,727.56
  6. Step 6: Final answer
    x = 3,217.97

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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.