Home / 3,452.40-5,179.36-1,261.12

Finding the Fourth Proportional to 3,452.40, 5,179.36 and 1,261.12

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Solution

The fourth proportional to 3,452.40, 5,179.36 and 1,261.12 is: 1,891.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,452.40 : 5,179.36 = 1,261.12 : x
  2. Step 2: Convert to fraction form
    3,452.40/5,179.36 = 1,261.12/x
  3. Step 3: Cross multiply
    3,452.40x = 5,179.36 × 1,261.12
  4. Step 4: Simplify right side
    3,452.40x = 6,531,788.18
  5. Step 5: Solve for x
    x = 6,531,788.18/3,452.40
  6. Step 6: Final answer
    x = 1,891.96

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.