Home / 3,103.98-4,656.20-1,255.11

Finding the Fourth Proportional to 3,103.98, 4,656.20 and 1,255.11

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Solution

The fourth proportional to 3,103.98, 4,656.20 and 1,255.11 is: 1,882.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,103.98 : 4,656.20 = 1,255.11 : x
  2. Step 2: Convert to fraction form
    3,103.98/4,656.20 = 1,255.11/x
  3. Step 3: Cross multiply
    3,103.98x = 4,656.20 × 1,255.11
  4. Step 4: Simplify right side
    3,103.98x = 5,844,036.91
  5. Step 5: Solve for x
    x = 5,844,036.91/3,103.98
  6. Step 6: Final answer
    x = 1,882.76

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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.