Home / 3,976.89-5,965.28-1,637.97

Finding the Fourth Proportional to 3,976.89, 5,965.28 and 1,637.97

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Solution

The fourth proportional to 3,976.89, 5,965.28 and 1,637.97 is: 2,456.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,976.89 : 5,965.28 = 1,637.97 : x
  2. Step 2: Convert to fraction form
    3,976.89/5,965.28 = 1,637.97/x
  3. Step 3: Cross multiply
    3,976.89x = 5,965.28 × 1,637.97
  4. Step 4: Simplify right side
    3,976.89x = 9,770,949.68
  5. Step 5: Solve for x
    x = 9,770,949.68/3,976.89
  6. Step 6: Final answer
    x = 2,456.93

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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.