Home / 3,255.03-4,882.55-789.81

Finding the Fourth Proportional to 3,255.03, 4,882.55 and 789.81

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Solution

The fourth proportional to 3,255.03, 4,882.55 and 789.81 is: 1,184.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,255.03 : 4,882.55 = 789.81 : x
  2. Step 2: Convert to fraction form
    3,255.03/4,882.55 = 789.81/x
  3. Step 3: Cross multiply
    3,255.03x = 4,882.55 × 789.81
  4. Step 4: Simplify right side
    3,255.03x = 3,856,282.87
  5. Step 5: Solve for x
    x = 3,856,282.87/3,255.03
  6. Step 6: Final answer
    x = 1,184.72

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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.