Home / 3,198.73-4,791.15-1,551.81

Finding the Fourth Proportional to 3,198.73, 4,791.15 and 1,551.81

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Solution

The fourth proportional to 3,198.73, 4,791.15 and 1,551.81 is: 2,324.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,198.73 : 4,791.15 = 1,551.81 : x
  2. Step 2: Convert to fraction form
    3,198.73/4,791.15 = 1,551.81/x
  3. Step 3: Cross multiply
    3,198.73x = 4,791.15 × 1,551.81
  4. Step 4: Simplify right side
    3,198.73x = 7,434,954.48
  5. Step 5: Solve for x
    x = 7,434,954.48/3,198.73
  6. Step 6: Final answer
    x = 2,324.35

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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.