Home / 3,872.43-5,344.52-2,194.52

Finding the Fourth Proportional to 3,872.43, 5,344.52 and 2,194.52

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Solution

The fourth proportional to 3,872.43, 5,344.52 and 2,194.52 is: 3,028.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,872.43 : 5,344.52 = 2,194.52 : x
  2. Step 2: Convert to fraction form
    3,872.43/5,344.52 = 2,194.52/x
  3. Step 3: Cross multiply
    3,872.43x = 5,344.52 × 2,194.52
  4. Step 4: Simplify right side
    3,872.43x = 11,728,618.34
  5. Step 5: Solve for x
    x = 11,728,618.34/3,872.43
  6. Step 6: Final answer
    x = 3,028.75

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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.