Home / 3,917.82-5,876.64-1,452.60

Finding the Fourth Proportional to 3,917.82, 5,876.64 and 1,452.60

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Solution

The fourth proportional to 3,917.82, 5,876.64 and 1,452.60 is: 2,178.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,917.82 : 5,876.64 = 1,452.60 : x
  2. Step 2: Convert to fraction form
    3,917.82/5,876.64 = 1,452.60/x
  3. Step 3: Cross multiply
    3,917.82x = 5,876.64 × 1,452.60
  4. Step 4: Simplify right side
    3,917.82x = 8,536,407.26
  5. Step 5: Solve for x
    x = 8,536,407.26/3,917.82
  6. Step 6: Final answer
    x = 2,178.87

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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.