Home / 3,481.28-4,804.25-1,968.71

Finding the Fourth Proportional to 3,481.28, 4,804.25 and 1,968.71

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Solution

The fourth proportional to 3,481.28, 4,804.25 and 1,968.71 is: 2,716.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,481.28 : 4,804.25 = 1,968.71 : x
  2. Step 2: Convert to fraction form
    3,481.28/4,804.25 = 1,968.71/x
  3. Step 3: Cross multiply
    3,481.28x = 4,804.25 × 1,968.71
  4. Step 4: Simplify right side
    3,481.28x = 9,458,191.95
  5. Step 5: Solve for x
    x = 9,458,191.95/3,481.28
  6. Step 6: Final answer
    x = 2,716.88

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.