Home / 3,938.28-5,906.70-1,597.72

Finding the Fourth Proportional to 3,938.28, 5,906.70 and 1,597.72

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Solution

The fourth proportional to 3,938.28, 5,906.70 and 1,597.72 is: 2,396.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,938.28 : 5,906.70 = 1,597.72 : x
  2. Step 2: Convert to fraction form
    3,938.28/5,906.70 = 1,597.72/x
  3. Step 3: Cross multiply
    3,938.28x = 5,906.70 × 1,597.72
  4. Step 4: Simplify right side
    3,938.28x = 9,437,252.72
  5. Step 5: Solve for x
    x = 9,437,252.72/3,938.28
  6. Step 6: Final answer
    x = 2,396.29

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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.