Home / 2,198.18-3,033.42-1,203.40

Finding the Fourth Proportional to 2,198.18, 3,033.42 and 1,203.40

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Solution

The fourth proportional to 2,198.18, 3,033.42 and 1,203.40 is: 1,660.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,198.18 : 3,033.42 = 1,203.40 : x
  2. Step 2: Convert to fraction form
    2,198.18/3,033.42 = 1,203.40/x
  3. Step 3: Cross multiply
    2,198.18x = 3,033.42 × 1,203.40
  4. Step 4: Simplify right side
    2,198.18x = 3,650,431.33
  5. Step 5: Solve for x
    x = 3,650,431.33/2,198.18
  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.