Home / 1,982.25-2,726.82-1,902.33

Finding the Fourth Proportional to 1,982.25, 2,726.82 and 1,902.33

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Solution

The fourth proportional to 1,982.25, 2,726.82 and 1,902.33 is: 2,616.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,982.25 : 2,726.82 = 1,902.33 : x
  2. Step 2: Convert to fraction form
    1,982.25/2,726.82 = 1,902.33/x
  3. Step 3: Cross multiply
    1,982.25x = 2,726.82 × 1,902.33
  4. Step 4: Simplify right side
    1,982.25x = 5,187,311.49
  5. Step 5: Solve for x
    x = 5,187,311.49/1,982.25
  6. Step 6: Final answer
    x = 2,616.88

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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.