Home / 3,452.72-5,179.86-1,261.52

Finding the Fourth Proportional to 3,452.72, 5,179.86 and 1,261.52

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Solution

The fourth proportional to 3,452.72, 5,179.86 and 1,261.52 is: 1,892.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,452.72 : 5,179.86 = 1,261.52 : x
  2. Step 2: Convert to fraction form
    3,452.72/5,179.86 = 1,261.52/x
  3. Step 3: Cross multiply
    3,452.72x = 5,179.86 × 1,261.52
  4. Step 4: Simplify right side
    3,452.72x = 6,534,496.99
  5. Step 5: Solve for x
    x = 6,534,496.99/3,452.72
  6. Step 6: Final answer
    x = 1,892.56

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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.