Home / 3,425.21-5,142.05-2,251.54

Finding the Fourth Proportional to 3,425.21, 5,142.05 and 2,251.54

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Solution

The fourth proportional to 3,425.21, 5,142.05 and 2,251.54 is: 3,380.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,425.21 : 5,142.05 = 2,251.54 : x
  2. Step 2: Convert to fraction form
    3,425.21/5,142.05 = 2,251.54/x
  3. Step 3: Cross multiply
    3,425.21x = 5,142.05 × 2,251.54
  4. Step 4: Simplify right side
    3,425.21x = 11,577,531.26
  5. Step 5: Solve for x
    x = 11,577,531.26/3,425.21
  6. Step 6: Final answer
    x = 3,380.09

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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.