Home / 2,198.46-3,033.81-1,203.70

Finding the Fourth Proportional to 2,198.46, 3,033.81 and 1,203.70

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Solution

The fourth proportional to 2,198.46, 3,033.81 and 1,203.70 is: 1,661.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,198.46 : 3,033.81 = 1,203.70 : x
  2. Step 2: Convert to fraction form
    2,198.46/3,033.81 = 1,203.70/x
  3. Step 3: Cross multiply
    2,198.46x = 3,033.81 × 1,203.70
  4. Step 4: Simplify right side
    2,198.46x = 3,651,797.10
  5. Step 5: Solve for x
    x = 3,651,797.10/2,198.46
  6. Step 6: Final answer
    x = 1,661.07

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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.