Home / 2,425.28-3,634.97-1,107.22

Finding the Fourth Proportional to 2,425.28, 3,634.97 and 1,107.22

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Solution

The fourth proportional to 2,425.28, 3,634.97 and 1,107.22 is: 1,659.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,425.28 : 3,634.97 = 1,107.22 : x
  2. Step 2: Convert to fraction form
    2,425.28/3,634.97 = 1,107.22/x
  3. Step 3: Cross multiply
    2,425.28x = 3,634.97 × 1,107.22
  4. Step 4: Simplify right side
    2,425.28x = 4,024,711.48
  5. Step 5: Solve for x
    x = 4,024,711.48/2,425.28
  6. Step 6: Final answer
    x = 1,659.48

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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.