Home / 3,893.70-5,373.33-2,125.29

Finding the Fourth Proportional to 3,893.70, 5,373.33 and 2,125.29

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Solution

The fourth proportional to 3,893.70, 5,373.33 and 2,125.29 is: 2,932.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,893.70 : 5,373.33 = 2,125.29 : x
  2. Step 2: Convert to fraction form
    3,893.70/5,373.33 = 2,125.29/x
  3. Step 3: Cross multiply
    3,893.70x = 5,373.33 × 2,125.29
  4. Step 4: Simplify right side
    3,893.70x = 11,419,884.52
  5. Step 5: Solve for x
    x = 11,419,884.52/3,893.70
  6. Step 6: Final answer
    x = 2,932.91

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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.