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Finding the Fourth Proportional to 3,425.44, 5,137.44 and 1,233.88

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Solution

The fourth proportional to 3,425.44, 5,137.44 and 1,233.88 is: 1,850.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,425.44 : 5,137.44 = 1,233.88 : x
  2. Step 2: Convert to fraction form
    3,425.44/5,137.44 = 1,233.88/x
  3. Step 3: Cross multiply
    3,425.44x = 5,137.44 × 1,233.88
  4. Step 4: Simplify right side
    3,425.44x = 6,338,984.47
  5. Step 5: Solve for x
    x = 6,338,984.47/3,425.44
  6. Step 6: Final answer
    x = 1,850.56

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1.5x scale

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.