Home / 3,853.05-5,778.33-1,255.38

Finding the Fourth Proportional to 3,853.05, 5,778.33 and 1,255.38

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Solution

The fourth proportional to 3,853.05, 5,778.33 and 1,255.38 is: 1,882.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,853.05 : 5,778.33 = 1,255.38 : x
  2. Step 2: Convert to fraction form
    3,853.05/5,778.33 = 1,255.38/x
  3. Step 3: Cross multiply
    3,853.05x = 5,778.33 × 1,255.38
  4. Step 4: Simplify right side
    3,853.05x = 7,253,999.92
  5. Step 5: Solve for x
    x = 7,253,999.92/3,853.05
  6. Step 6: Final answer
    x = 1,882.66

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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.