Home / 3,893.06-5,372.48-2,124.71

Finding the Fourth Proportional to 3,893.06, 5,372.48 and 2,124.71

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Solution

The fourth proportional to 3,893.06, 5,372.48 and 2,124.71 is: 2,932.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,893.06 : 5,372.48 = 2,124.71 : x
  2. Step 2: Convert to fraction form
    3,893.06/5,372.48 = 2,124.71/x
  3. Step 3: Cross multiply
    3,893.06x = 5,372.48 × 2,124.71
  4. Step 4: Simplify right side
    3,893.06x = 11,414,978.85
  5. Step 5: Solve for x
    x = 11,414,978.85/3,893.06
  6. Step 6: Final answer
    x = 2,932.13

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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.