Home / 2,514.12-3,769.74-1,198.20

Finding the Fourth Proportional to 2,514.12, 3,769.74 and 1,198.20

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Solution

The fourth proportional to 2,514.12, 3,769.74 and 1,198.20 is: 1,796.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,514.12 : 3,769.74 = 1,198.20 : x
  2. Step 2: Convert to fraction form
    2,514.12/3,769.74 = 1,198.20/x
  3. Step 3: Cross multiply
    2,514.12x = 3,769.74 × 1,198.20
  4. Step 4: Simplify right side
    2,514.12x = 4,516,902.47
  5. Step 5: Solve for x
    x = 4,516,902.47/2,514.12
  6. Step 6: Final answer
    x = 1,796.61

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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.