Home / 3,676.40-5,514.56-1,079.24

Finding the Fourth Proportional to 3,676.40, 5,514.56 and 1,079.24

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Solution

The fourth proportional to 3,676.40, 5,514.56 and 1,079.24 is: 1,618.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,676.40 : 5,514.56 = 1,079.24 : x
  2. Step 2: Convert to fraction form
    3,676.40/5,514.56 = 1,079.24/x
  3. Step 3: Cross multiply
    3,676.40x = 5,514.56 × 1,079.24
  4. Step 4: Simplify right side
    3,676.40x = 5,951,533.73
  5. Step 5: Solve for x
    x = 5,951,533.73/3,676.40
  6. Step 6: Final answer
    x = 1,618.85

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1.5x scale

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.