Home / 3,893.26-5,372.68-2,124.87

Finding the Fourth Proportional to 3,893.26, 5,372.68 and 2,124.87

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Solution

The fourth proportional to 3,893.26, 5,372.68 and 2,124.87 is: 2,932.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,893.26 : 5,372.68 = 2,124.87 : x
  2. Step 2: Convert to fraction form
    3,893.26/5,372.68 = 2,124.87/x
  3. Step 3: Cross multiply
    3,893.26x = 5,372.68 × 2,124.87
  4. Step 4: Simplify right side
    3,893.26x = 11,416,246.55
  5. Step 5: Solve for x
    x = 11,416,246.55/3,893.26
  6. Step 6: Final answer
    x = 2,932.31

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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.