Home / 3,585.69-5,377.89-2,198.55

Finding the Fourth Proportional to 3,585.69, 5,377.89 and 2,198.55

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Solution

The fourth proportional to 3,585.69, 5,377.89 and 2,198.55 is: 3,297.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,585.69 : 5,377.89 = 2,198.55 : x
  2. Step 2: Convert to fraction form
    3,585.69/5,377.89 = 2,198.55/x
  3. Step 3: Cross multiply
    3,585.69x = 5,377.89 × 2,198.55
  4. Step 4: Simplify right side
    3,585.69x = 11,823,560.06
  5. Step 5: Solve for x
    x = 11,823,560.06/3,585.69
  6. Step 6: Final answer
    x = 3,297.43

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.