Home / 3,942.80-5,910.07-1,476.55

Finding the Fourth Proportional to 3,942.80, 5,910.07 and 1,476.55

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Solution

The fourth proportional to 3,942.80, 5,910.07 and 1,476.55 is: 2,213.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,942.80 : 5,910.07 = 1,476.55 : x
  2. Step 2: Convert to fraction form
    3,942.80/5,910.07 = 1,476.55/x
  3. Step 3: Cross multiply
    3,942.80x = 5,910.07 × 1,476.55
  4. Step 4: Simplify right side
    3,942.80x = 8,726,513.86
  5. Step 5: Solve for x
    x = 8,726,513.86/3,942.80
  6. Step 6: Final answer
    x = 2,213.28

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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.