Home / 3,983.01-5,972.09-1,642.29

Finding the Fourth Proportional to 3,983.01, 5,972.09 and 1,642.29

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Solution

The fourth proportional to 3,983.01, 5,972.09 and 1,642.29 is: 2,462.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,983.01 : 5,972.09 = 1,642.29 : x
  2. Step 2: Convert to fraction form
    3,983.01/5,972.09 = 1,642.29/x
  3. Step 3: Cross multiply
    3,983.01x = 5,972.09 × 1,642.29
  4. Step 4: Simplify right side
    3,983.01x = 9,807,895.47
  5. Step 5: Solve for x
    x = 9,807,895.47/3,983.01
  6. Step 6: Final answer
    x = 2,462.43

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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.