Home / 3,938.32-5,903.43-2,701.72

Finding the Fourth Proportional to 3,938.32, 5,903.43 and 2,701.72

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Solution

The fourth proportional to 3,938.32, 5,903.43 and 2,701.72 is: 4,049.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,938.32 : 5,903.43 = 2,701.72 : x
  2. Step 2: Convert to fraction form
    3,938.32/5,903.43 = 2,701.72/x
  3. Step 3: Cross multiply
    3,938.32x = 5,903.43 × 2,701.72
  4. Step 4: Simplify right side
    3,938.32x = 15,949,414.90
  5. Step 5: Solve for x
    x = 15,949,414.90/3,938.32
  6. Step 6: Final answer
    x = 4,049.80

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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.