Home / 3,151.13-4,348.55-1,753.88

Finding the Fourth Proportional to 3,151.13, 4,348.55 and 1,753.88

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Solution

The fourth proportional to 3,151.13, 4,348.55 and 1,753.88 is: 2,420.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,151.13 : 4,348.55 = 1,753.88 : x
  2. Step 2: Convert to fraction form
    3,151.13/4,348.55 = 1,753.88/x
  3. Step 3: Cross multiply
    3,151.13x = 4,348.55 × 1,753.88
  4. Step 4: Simplify right side
    3,151.13x = 7,626,817.52
  5. Step 5: Solve for x
    x = 7,626,817.52/3,151.13
  6. Step 6: Final answer
    x = 2,420.35

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.