Home / 3,917.88-5,877.68-1,452.69

Finding the Fourth Proportional to 3,917.88, 5,877.68 and 1,452.69

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Solution

The fourth proportional to 3,917.88, 5,877.68 and 1,452.69 is: 2,179.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,917.88 : 5,877.68 = 1,452.69 : x
  2. Step 2: Convert to fraction form
    3,917.88/5,877.68 = 1,452.69/x
  3. Step 3: Cross multiply
    3,917.88x = 5,877.68 × 1,452.69
  4. Step 4: Simplify right side
    3,917.88x = 8,538,439.70
  5. Step 5: Solve for x
    x = 8,538,439.70/3,917.88
  6. Step 6: Final answer
    x = 2,179.35

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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.