Home / 3,098.82-4,640.03-1,864.54

Finding the Fourth Proportional to 3,098.82, 4,640.03 and 1,864.54

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Solution

The fourth proportional to 3,098.82, 4,640.03 and 1,864.54 is: 2,791.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,098.82 : 4,640.03 = 1,864.54 : x
  2. Step 2: Convert to fraction form
    3,098.82/4,640.03 = 1,864.54/x
  3. Step 3: Cross multiply
    3,098.82x = 4,640.03 × 1,864.54
  4. Step 4: Simplify right side
    3,098.82x = 8,651,521.54
  5. Step 5: Solve for x
    x = 8,651,521.54/3,098.82
  6. Step 6: Final answer
    x = 2,791.88

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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.