Home / 3,966.45-5,473.68-2,198.31

Finding the Fourth Proportional to 3,966.45, 5,473.68 and 2,198.31

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Solution

The fourth proportional to 3,966.45, 5,473.68 and 2,198.31 is: 3,033.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,966.45 : 5,473.68 = 2,198.31 : x
  2. Step 2: Convert to fraction form
    3,966.45/5,473.68 = 2,198.31/x
  3. Step 3: Cross multiply
    3,966.45x = 5,473.68 × 2,198.31
  4. Step 4: Simplify right side
    3,966.45x = 12,032,845.48
  5. Step 5: Solve for x
    x = 12,032,845.48/3,966.45
  6. Step 6: Final answer
    x = 3,033.66

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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.