Home / 2,198.39-3,033.78-1,203.68

Finding the Fourth Proportional to 2,198.39, 3,033.78 and 1,203.68

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Solution

The fourth proportional to 2,198.39, 3,033.78 and 1,203.68 is: 1,661.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,198.39 : 3,033.78 = 1,203.68 : x
  2. Step 2: Convert to fraction form
    2,198.39/3,033.78 = 1,203.68/x
  3. Step 3: Cross multiply
    2,198.39x = 3,033.78 × 1,203.68
  4. Step 4: Simplify right side
    2,198.39x = 3,651,686.50
  5. Step 5: Solve for x
    x = 3,651,686.50/2,198.39
  6. Step 6: Final answer
    x = 1,661.07

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.