Home / 3,321.43-4,979.00-1,676.12

Finding the Fourth Proportional to 3,321.43, 4,979.00 and 1,676.12

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Solution

The fourth proportional to 3,321.43, 4,979.00 and 1,676.12 is: 2,512.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,321.43 : 4,979.00 = 1,676.12 : x
  2. Step 2: Convert to fraction form
    3,321.43/4,979.00 = 1,676.12/x
  3. Step 3: Cross multiply
    3,321.43x = 4,979.00 × 1,676.12
  4. Step 4: Simplify right side
    3,321.43x = 8,345,380.78
  5. Step 5: Solve for x
    x = 8,345,380.78/3,321.43
  6. Step 6: Final answer
    x = 2,512.59

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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.