Home / 3,197.78-4,791.79-2,153.93

Finding the Fourth Proportional to 3,197.78, 4,791.79 and 2,153.93

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Solution

The fourth proportional to 3,197.78, 4,791.79 and 2,153.93 is: 3,227.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,197.78 : 4,791.79 = 2,153.93 : x
  2. Step 2: Convert to fraction form
    3,197.78/4,791.79 = 2,153.93/x
  3. Step 3: Cross multiply
    3,197.78x = 4,791.79 × 2,153.93
  4. Step 4: Simplify right side
    3,197.78x = 10,321,158.97
  5. Step 5: Solve for x
    x = 10,321,158.97/3,197.78
  6. Step 6: Final answer
    x = 3,227.60

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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.