Home / 3,451.80-5,177.79-1,260.53

Finding the Fourth Proportional to 3,451.80, 5,177.79 and 1,260.53

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Solution

The fourth proportional to 3,451.80, 5,177.79 and 1,260.53 is: 1,890.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,451.80 : 5,177.79 = 1,260.53 : x
  2. Step 2: Convert to fraction form
    3,451.80/5,177.79 = 1,260.53/x
  3. Step 3: Cross multiply
    3,451.80x = 5,177.79 × 1,260.53
  4. Step 4: Simplify right side
    3,451.80x = 6,526,753.33
  5. Step 5: Solve for x
    x = 6,526,753.33/3,451.80
  6. Step 6: Final answer
    x = 1,890.83

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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.