Home / 2,372.38-3,558.59-1,278.88

Finding the Fourth Proportional to 2,372.38, 3,558.59 and 1,278.88

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Solution

The fourth proportional to 2,372.38, 3,558.59 and 1,278.88 is: 1,918.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,372.38 : 3,558.59 = 1,278.88 : x
  2. Step 2: Convert to fraction form
    2,372.38/3,558.59 = 1,278.88/x
  3. Step 3: Cross multiply
    2,372.38x = 3,558.59 × 1,278.88
  4. Step 4: Simplify right side
    2,372.38x = 4,551,003.88
  5. Step 5: Solve for x
    x = 4,551,003.88/2,372.38
  6. Step 6: Final answer
    x = 1,918.33

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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.