Home / 3,676.22-5,514.36-1,079.20

Finding the Fourth Proportional to 3,676.22, 5,514.36 and 1,079.20

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Solution

The fourth proportional to 3,676.22, 5,514.36 and 1,079.20 is: 1,618.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,676.22 : 5,514.36 = 1,079.20 : x
  2. Step 2: Convert to fraction form
    3,676.22/5,514.36 = 1,079.20/x
  3. Step 3: Cross multiply
    3,676.22x = 5,514.36 × 1,079.20
  4. Step 4: Simplify right side
    3,676.22x = 5,951,097.31
  5. Step 5: Solve for x
    x = 5,951,097.31/3,676.22
  6. Step 6: Final answer
    x = 1,618.81

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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.