Home / 2,198.75-3,034.33-1,204.09

Finding the Fourth Proportional to 2,198.75, 3,034.33 and 1,204.09

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Solution

The fourth proportional to 2,198.75, 3,034.33 and 1,204.09 is: 1,661.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,198.75 : 3,034.33 = 1,204.09 : x
  2. Step 2: Convert to fraction form
    2,198.75/3,034.33 = 1,204.09/x
  3. Step 3: Cross multiply
    2,198.75x = 3,034.33 × 1,204.09
  4. Step 4: Simplify right side
    2,198.75x = 3,653,607.80
  5. Step 5: Solve for x
    x = 3,653,607.80/2,198.75
  6. Step 6: Final answer
    x = 1,661.68

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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.