Home / 3,938.28-5,896.20-2,765.52

Finding the Fourth Proportional to 3,938.28, 5,896.20 and 2,765.52

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Solution

The fourth proportional to 3,938.28, 5,896.20 and 2,765.52 is: 4,140.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,938.28 : 5,896.20 = 2,765.52 : x
  2. Step 2: Convert to fraction form
    3,938.28/5,896.20 = 2,765.52/x
  3. Step 3: Cross multiply
    3,938.28x = 5,896.20 × 2,765.52
  4. Step 4: Simplify right side
    3,938.28x = 16,306,059.02
  5. Step 5: Solve for x
    x = 16,306,059.02/3,938.28
  6. Step 6: Final answer
    x = 4,140.40

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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.