Home / 3,451.75-5,177.90-1,143.25

Finding the Fourth Proportional to 3,451.75, 5,177.90 and 1,143.25

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Solution

The fourth proportional to 3,451.75, 5,177.90 and 1,143.25 is: 1,714.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,451.75 : 5,177.90 = 1,143.25 : x
  2. Step 2: Convert to fraction form
    3,451.75/5,177.90 = 1,143.25/x
  3. Step 3: Cross multiply
    3,451.75x = 5,177.90 × 1,143.25
  4. Step 4: Simplify right side
    3,451.75x = 5,919,634.18
  5. Step 5: Solve for x
    x = 5,919,634.18/3,451.75
  6. Step 6: Final answer
    x = 1,714.97

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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.