Home / 3,983.38-5,970.14-1,641.90

Finding the Fourth Proportional to 3,983.38, 5,970.14 and 1,641.90

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Solution

The fourth proportional to 3,983.38, 5,970.14 and 1,641.90 is: 2,460.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,983.38 : 5,970.14 = 1,641.90 : x
  2. Step 2: Convert to fraction form
    3,983.38/5,970.14 = 1,641.90/x
  3. Step 3: Cross multiply
    3,983.38x = 5,970.14 × 1,641.90
  4. Step 4: Simplify right side
    3,983.38x = 9,802,393.20
  5. Step 5: Solve for x
    x = 9,802,393.20/3,983.38
  6. Step 6: Final answer
    x = 2,460.82

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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.