Home / 3,453.13-5,179.62-1,261.27

Finding the Fourth Proportional to 3,453.13, 5,179.62 and 1,261.27

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Solution

The fourth proportional to 3,453.13, 5,179.62 and 1,261.27 is: 1,891.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,453.13 : 5,179.62 = 1,261.27 : x
  2. Step 2: Convert to fraction form
    3,453.13/5,179.62 = 1,261.27/x
  3. Step 3: Cross multiply
    3,453.13x = 5,179.62 × 1,261.27
  4. Step 4: Simplify right side
    3,453.13x = 6,532,873.42
  5. Step 5: Solve for x
    x = 6,532,873.42/3,453.13
  6. Step 6: Final answer
    x = 1,891.87

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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.