Home / 3,979.29-5,970.03-2,517.39

Finding the Fourth Proportional to 3,979.29, 5,970.03 and 2,517.39

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Solution

The fourth proportional to 3,979.29, 5,970.03 and 2,517.39 is: 3,776.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,979.29 : 5,970.03 = 2,517.39 : x
  2. Step 2: Convert to fraction form
    3,979.29/5,970.03 = 2,517.39/x
  3. Step 3: Cross multiply
    3,979.29x = 5,970.03 × 2,517.39
  4. Step 4: Simplify right side
    3,979.29x = 15,028,893.82
  5. Step 5: Solve for x
    x = 15,028,893.82/3,979.29
  6. Step 6: Final answer
    x = 3,776.78

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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.