Home / 3,982.15-5,973.59-1,641.61

Finding the Fourth Proportional to 3,982.15, 5,973.59 and 1,641.61

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Solution

The fourth proportional to 3,982.15, 5,973.59 and 1,641.61 is: 2,462.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,982.15 : 5,973.59 = 1,641.61 : x
  2. Step 2: Convert to fraction form
    3,982.15/5,973.59 = 1,641.61/x
  3. Step 3: Cross multiply
    3,982.15x = 5,973.59 × 1,641.61
  4. Step 4: Simplify right side
    3,982.15x = 9,806,305.08
  5. Step 5: Solve for x
    x = 9,806,305.08/3,982.15
  6. Step 6: Final answer
    x = 2,462.57

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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.