Home / 3,610.89-5,418.50-2,072.97

Finding the Fourth Proportional to 3,610.89, 5,418.50 and 2,072.97

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Solution

The fourth proportional to 3,610.89, 5,418.50 and 2,072.97 is: 3,110.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,610.89 : 5,418.50 = 2,072.97 : x
  2. Step 2: Convert to fraction form
    3,610.89/5,418.50 = 2,072.97/x
  3. Step 3: Cross multiply
    3,610.89x = 5,418.50 × 2,072.97
  4. Step 4: Simplify right side
    3,610.89x = 11,232,387.95
  5. Step 5: Solve for x
    x = 11,232,387.95/3,610.89
  6. Step 6: Final answer
    x = 3,110.70

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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.