Home / 2,250.23-3,375.36-789.38

Finding the Fourth Proportional to 2,250.23, 3,375.36 and 789.38

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Solution

The fourth proportional to 2,250.23, 3,375.36 and 789.38 is: 1,184.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,250.23 : 3,375.36 = 789.38 : x
  2. Step 2: Convert to fraction form
    2,250.23/3,375.36 = 789.38/x
  3. Step 3: Cross multiply
    2,250.23x = 3,375.36 × 789.38
  4. Step 4: Simplify right side
    2,250.23x = 2,664,424.80
  5. Step 5: Solve for x
    x = 2,664,424.80/2,250.23
  6. Step 6: Final answer
    x = 1,184.07

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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.