Home / 3,286.31-4,927.85-1,204.75

Finding the Fourth Proportional to 3,286.31, 4,927.85 and 1,204.75

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Solution

The fourth proportional to 3,286.31, 4,927.85 and 1,204.75 is: 1,806.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,286.31 : 4,927.85 = 1,204.75 : x
  2. Step 2: Convert to fraction form
    3,286.31/4,927.85 = 1,204.75/x
  3. Step 3: Cross multiply
    3,286.31x = 4,927.85 × 1,204.75
  4. Step 4: Simplify right side
    3,286.31x = 5,936,796.62
  5. Step 5: Solve for x
    x = 5,936,796.62/3,286.31
  6. Step 6: Final answer
    x = 1,806.52

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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.