Home / 3,917.44-5,406.97-2,517.76

Finding the Fourth Proportional to 3,917.44, 5,406.97 and 2,517.76

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Solution

The fourth proportional to 3,917.44, 5,406.97 and 2,517.76 is: 3,475.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,917.44 : 5,406.97 = 2,517.76 : x
  2. Step 2: Convert to fraction form
    3,917.44/5,406.97 = 2,517.76/x
  3. Step 3: Cross multiply
    3,917.44x = 5,406.97 × 2,517.76
  4. Step 4: Simplify right side
    3,917.44x = 13,613,425.75
  5. Step 5: Solve for x
    x = 13,613,425.75/3,917.44
  6. Step 6: Final answer
    x = 3,475.09

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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.