Home / 3,966.61-5,473.69-2,198.18

Finding the Fourth Proportional to 3,966.61, 5,473.69 and 2,198.18

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Solution

The fourth proportional to 3,966.61, 5,473.69 and 2,198.18 is: 3,033.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,966.61 : 5,473.69 = 2,198.18 : x
  2. Step 2: Convert to fraction form
    3,966.61/5,473.69 = 2,198.18/x
  3. Step 3: Cross multiply
    3,966.61x = 5,473.69 × 2,198.18
  4. Step 4: Simplify right side
    3,966.61x = 12,032,155.88
  5. Step 5: Solve for x
    x = 12,032,155.88/3,966.61
  6. Step 6: Final answer
    x = 3,033.36

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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.