Home / 2,250.09-3,375.33-789.12

Finding the Fourth Proportional to 2,250.09, 3,375.33 and 789.12

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Solution

The fourth proportional to 2,250.09, 3,375.33 and 789.12 is: 1,183.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,250.09 : 3,375.33 = 789.12 : x
  2. Step 2: Convert to fraction form
    2,250.09/3,375.33 = 789.12/x
  3. Step 3: Cross multiply
    2,250.09x = 3,375.33 × 789.12
  4. Step 4: Simplify right side
    2,250.09x = 2,663,540.41
  5. Step 5: Solve for x
    x = 2,663,540.41/2,250.09
  6. Step 6: Final answer
    x = 1,183.75

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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.