Home / 3,921.18-5,877.66-1,839.44

Finding the Fourth Proportional to 3,921.18, 5,877.66 and 1,839.44

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Solution

The fourth proportional to 3,921.18, 5,877.66 and 1,839.44 is: 2,757.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,921.18 : 5,877.66 = 1,839.44 : x
  2. Step 2: Convert to fraction form
    3,921.18/5,877.66 = 1,839.44/x
  3. Step 3: Cross multiply
    3,921.18x = 5,877.66 × 1,839.44
  4. Step 4: Simplify right side
    3,921.18x = 10,811,602.91
  5. Step 5: Solve for x
    x = 10,811,602.91/3,921.18
  6. Step 6: Final answer
    x = 2,757.23

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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.