Home / 2,255.98-3,390.33-1,331.97

Finding the Fourth Proportional to 2,255.98, 3,390.33 and 1,331.97

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Solution

The fourth proportional to 2,255.98, 3,390.33 and 1,331.97 is: 2,001.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,255.98 : 3,390.33 = 1,331.97 : x
  2. Step 2: Convert to fraction form
    2,255.98/3,390.33 = 1,331.97/x
  3. Step 3: Cross multiply
    2,255.98x = 3,390.33 × 1,331.97
  4. Step 4: Simplify right side
    2,255.98x = 4,515,822.84
  5. Step 5: Solve for x
    x = 4,515,822.84/2,255.98
  6. Step 6: Final answer
    x = 2,001.71

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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.