Home / 3,983.26-5,972.46-1,642.54

Finding the Fourth Proportional to 3,983.26, 5,972.46 and 1,642.54

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Solution

The fourth proportional to 3,983.26, 5,972.46 and 1,642.54 is: 2,462.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,983.26 : 5,972.46 = 1,642.54 : x
  2. Step 2: Convert to fraction form
    3,983.26/5,972.46 = 1,642.54/x
  3. Step 3: Cross multiply
    3,983.26x = 5,972.46 × 1,642.54
  4. Step 4: Simplify right side
    3,983.26x = 9,810,004.45
  5. Step 5: Solve for x
    x = 9,810,004.45/3,983.26
  6. Step 6: Final answer
    x = 2,462.81

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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.