Home / 3,103.76-4,655.92-1,023.78

Finding the Fourth Proportional to 3,103.76, 4,655.92 and 1,023.78

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Solution

The fourth proportional to 3,103.76, 4,655.92 and 1,023.78 is: 1,535.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,103.76 : 4,655.92 = 1,023.78 : x
  2. Step 2: Convert to fraction form
    3,103.76/4,655.92 = 1,023.78/x
  3. Step 3: Cross multiply
    3,103.76x = 4,655.92 × 1,023.78
  4. Step 4: Simplify right side
    3,103.76x = 4,766,637.78
  5. Step 5: Solve for x
    x = 4,766,637.78/3,103.76
  6. Step 6: Final answer
    x = 1,535.76

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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.