Home / 2,198.47-3,033.89-1,203.81

Finding the Fourth Proportional to 2,198.47, 3,033.89 and 1,203.81

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Solution

The fourth proportional to 2,198.47, 3,033.89 and 1,203.81 is: 1,661.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,198.47 : 3,033.89 = 1,203.81 : x
  2. Step 2: Convert to fraction form
    2,198.47/3,033.89 = 1,203.81/x
  3. Step 3: Cross multiply
    2,198.47x = 3,033.89 × 1,203.81
  4. Step 4: Simplify right side
    2,198.47x = 3,652,227.12
  5. Step 5: Solve for x
    x = 3,652,227.12/2,198.47
  6. Step 6: Final answer
    x = 1,661.26

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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.