Home / 3,996.22-5,508.86-2,579.80

Finding the Fourth Proportional to 3,996.22, 5,508.86 and 2,579.80

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Solution

The fourth proportional to 3,996.22, 5,508.86 and 2,579.80 is: 3,556.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,996.22 : 5,508.86 = 2,579.80 : x
  2. Step 2: Convert to fraction form
    3,996.22/5,508.86 = 2,579.80/x
  3. Step 3: Cross multiply
    3,996.22x = 5,508.86 × 2,579.80
  4. Step 4: Simplify right side
    3,996.22x = 14,211,716.58
  5. Step 5: Solve for x
    x = 14,211,716.58/3,996.22
  6. Step 6: Final answer
    x = 3,556.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.