Home / 3,943.13-5,912.80-1,476.38

Finding the Fourth Proportional to 3,943.13, 5,912.80 and 1,476.38

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Solution

The fourth proportional to 3,943.13, 5,912.80 and 1,476.38 is: 2,213.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,943.13 : 5,912.80 = 1,476.38 : x
  2. Step 2: Convert to fraction form
    3,943.13/5,912.80 = 1,476.38/x
  3. Step 3: Cross multiply
    3,943.13x = 5,912.80 × 1,476.38
  4. Step 4: Simplify right side
    3,943.13x = 8,729,517.50
  5. Step 5: Solve for x
    x = 8,729,517.50/3,943.13
  6. Step 6: Final answer
    x = 2,213.85

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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.