Home / 2,198.80-3,034.34-1,204.14

Finding the Fourth Proportional to 2,198.80, 3,034.34 and 1,204.14

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Solution

The fourth proportional to 2,198.80, 3,034.34 and 1,204.14 is: 1,661.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,198.80 : 3,034.34 = 1,204.14 : x
  2. Step 2: Convert to fraction form
    2,198.80/3,034.34 = 1,204.14/x
  3. Step 3: Cross multiply
    2,198.80x = 3,034.34 × 1,204.14
  4. Step 4: Simplify right side
    2,198.80x = 3,653,767.16
  5. Step 5: Solve for x
    x = 3,653,767.16/2,198.80
  6. Step 6: Final answer
    x = 1,661.71

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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.