Home / 3,969.41-5,945.91-2,579.29

Finding the Fourth Proportional to 3,969.41, 5,945.91 and 2,579.29

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Solution

The fourth proportional to 3,969.41, 5,945.91 and 2,579.29 is: 3,863.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,969.41 : 5,945.91 = 2,579.29 : x
  2. Step 2: Convert to fraction form
    3,969.41/5,945.91 = 2,579.29/x
  3. Step 3: Cross multiply
    3,969.41x = 5,945.91 × 2,579.29
  4. Step 4: Simplify right side
    3,969.41x = 15,336,235.11
  5. Step 5: Solve for x
    x = 15,336,235.11/3,969.41
  6. Step 6: Final answer
    x = 3,863.61

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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.