Home / 2,304.38-3,180.33-1,372.88

Finding the Fourth Proportional to 2,304.38, 3,180.33 and 1,372.88

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Solution

The fourth proportional to 2,304.38, 3,180.33 and 1,372.88 is: 1,894.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,304.38 : 3,180.33 = 1,372.88 : x
  2. Step 2: Convert to fraction form
    2,304.38/3,180.33 = 1,372.88/x
  3. Step 3: Cross multiply
    2,304.38x = 3,180.33 × 1,372.88
  4. Step 4: Simplify right side
    2,304.38x = 4,366,195.55
  5. Step 5: Solve for x
    x = 4,366,195.55/2,304.38
  6. Step 6: Final answer
    x = 1,894.74

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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.