Home / 2,600.28-3,901.92-1,301.76

Finding the Fourth Proportional to 2,600.28, 3,901.92 and 1,301.76

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Solution

The fourth proportional to 2,600.28, 3,901.92 and 1,301.76 is: 1,953.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,600.28 : 3,901.92 = 1,301.76 : x
  2. Step 2: Convert to fraction form
    2,600.28/3,901.92 = 1,301.76/x
  3. Step 3: Cross multiply
    2,600.28x = 3,901.92 × 1,301.76
  4. Step 4: Simplify right side
    2,600.28x = 5,079,363.38
  5. Step 5: Solve for x
    x = 5,079,363.38/2,600.28
  6. Step 6: Final answer
    x = 1,953.39

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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.