Home / 3,314.92-4,979.10-2,669.80

Finding the Fourth Proportional to 3,314.92, 4,979.10 and 2,669.80

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Solution

The fourth proportional to 3,314.92, 4,979.10 and 2,669.80 is: 4,010.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,314.92 : 4,979.10 = 2,669.80 : x
  2. Step 2: Convert to fraction form
    3,314.92/4,979.10 = 2,669.80/x
  3. Step 3: Cross multiply
    3,314.92x = 4,979.10 × 2,669.80
  4. Step 4: Simplify right side
    3,314.92x = 13,293,201.18
  5. Step 5: Solve for x
    x = 13,293,201.18/3,314.92
  6. Step 6: Final answer
    x = 4,010.11

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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.