Home / 2,198.13-3,033.44-1,266.63

Finding the Fourth Proportional to 2,198.13, 3,033.44 and 1,266.63

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Solution

The fourth proportional to 2,198.13, 3,033.44 and 1,266.63 is: 1,747.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,198.13 : 3,033.44 = 1,266.63 : x
  2. Step 2: Convert to fraction form
    2,198.13/3,033.44 = 1,266.63/x
  3. Step 3: Cross multiply
    2,198.13x = 3,033.44 × 1,266.63
  4. Step 4: Simplify right side
    2,198.13x = 3,842,246.11
  5. Step 5: Solve for x
    x = 3,842,246.11/2,198.13
  6. Step 6: Final answer
    x = 1,747.96

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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.