Home / 2,252.59-3,108.20-1,308.53

Finding the Fourth Proportional to 2,252.59, 3,108.20 and 1,308.53

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Solution

The fourth proportional to 2,252.59, 3,108.20 and 1,308.53 is: 1,805.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,252.59 : 3,108.20 = 1,308.53 : x
  2. Step 2: Convert to fraction form
    2,252.59/3,108.20 = 1,308.53/x
  3. Step 3: Cross multiply
    2,252.59x = 3,108.20 × 1,308.53
  4. Step 4: Simplify right side
    2,252.59x = 4,067,174.17
  5. Step 5: Solve for x
    x = 4,067,174.17/2,252.59
  6. Step 6: Final answer
    x = 1,805.56

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.