Home / 3,538.97-5,308.38-1,198.47

Finding the Fourth Proportional to 3,538.97, 5,308.38 and 1,198.47

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Solution

The fourth proportional to 3,538.97, 5,308.38 and 1,198.47 is: 1,797.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,538.97 : 5,308.38 = 1,198.47 : x
  2. Step 2: Convert to fraction form
    3,538.97/5,308.38 = 1,198.47/x
  3. Step 3: Cross multiply
    3,538.97x = 5,308.38 × 1,198.47
  4. Step 4: Simplify right side
    3,538.97x = 6,361,934.18
  5. Step 5: Solve for x
    x = 6,361,934.18/3,538.97
  6. Step 6: Final answer
    x = 1,797.68

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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.