Home / 2,676.32-4,008.60-2,208.80

Finding the Fourth Proportional to 2,676.32, 4,008.60 and 2,208.80

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Solution

The fourth proportional to 2,676.32, 4,008.60 and 2,208.80 is: 3,308.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,676.32 : 4,008.60 = 2,208.80 : x
  2. Step 2: Convert to fraction form
    2,676.32/4,008.60 = 2,208.80/x
  3. Step 3: Cross multiply
    2,676.32x = 4,008.60 × 2,208.80
  4. Step 4: Simplify right side
    2,676.32x = 8,854,195.68
  5. Step 5: Solve for x
    x = 8,854,195.68/2,676.32
  6. Step 6: Final answer
    x = 3,308.35

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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.