Home / 3,243.97-4,868.66-1,908.55

Finding the Fourth Proportional to 3,243.97, 4,868.66 and 1,908.55

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Solution

The fourth proportional to 3,243.97, 4,868.66 and 1,908.55 is: 2,864.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,243.97 : 4,868.66 = 1,908.55 : x
  2. Step 2: Convert to fraction form
    3,243.97/4,868.66 = 1,908.55/x
  3. Step 3: Cross multiply
    3,243.97x = 4,868.66 × 1,908.55
  4. Step 4: Simplify right side
    3,243.97x = 9,292,081.04
  5. Step 5: Solve for x
    x = 9,292,081.04/3,243.97
  6. Step 6: Final answer
    x = 2,864.42

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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.