Home / 3,863.64-5,331.90-2,372.28

Finding the Fourth Proportional to 3,863.64, 5,331.90 and 2,372.28

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Solution

The fourth proportional to 3,863.64, 5,331.90 and 2,372.28 is: 3,273.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,863.64 : 5,331.90 = 2,372.28 : x
  2. Step 2: Convert to fraction form
    3,863.64/5,331.90 = 2,372.28/x
  3. Step 3: Cross multiply
    3,863.64x = 5,331.90 × 2,372.28
  4. Step 4: Simplify right side
    3,863.64x = 12,648,759.73
  5. Step 5: Solve for x
    x = 12,648,759.73/3,863.64
  6. Step 6: Final answer
    x = 3,273.79

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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.