Home / 3,877.30-5,350.89-2,198.08

Finding the Fourth Proportional to 3,877.30, 5,350.89 and 2,198.08

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Solution

The fourth proportional to 3,877.30, 5,350.89 and 2,198.08 is: 3,033.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,877.30 : 5,350.89 = 2,198.08 : x
  2. Step 2: Convert to fraction form
    3,877.30/5,350.89 = 2,198.08/x
  3. Step 3: Cross multiply
    3,877.30x = 5,350.89 × 2,198.08
  4. Step 4: Simplify right side
    3,877.30x = 11,761,684.29
  5. Step 5: Solve for x
    x = 11,761,684.29/3,877.30
  6. Step 6: Final answer
    x = 3,033.47

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.