Home / 2,198.13-3,033.29-1,203.43

Finding the Fourth Proportional to 2,198.13, 3,033.29 and 1,203.43

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Solution

The fourth proportional to 2,198.13, 3,033.29 and 1,203.43 is: 1,660.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,198.13 : 3,033.29 = 1,203.43 : x
  2. Step 2: Convert to fraction form
    2,198.13/3,033.29 = 1,203.43/x
  3. Step 3: Cross multiply
    2,198.13x = 3,033.29 × 1,203.43
  4. Step 4: Simplify right side
    2,198.13x = 3,650,352.18
  5. Step 5: Solve for x
    x = 3,650,352.18/2,198.13
  6. Step 6: Final answer
    x = 1,660.66

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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.