Home / 3,275.14-4,912.56-1,327.36

Finding the Fourth Proportional to 3,275.14, 4,912.56 and 1,327.36

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Solution

The fourth proportional to 3,275.14, 4,912.56 and 1,327.36 is: 1,990.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,275.14 : 4,912.56 = 1,327.36 : x
  2. Step 2: Convert to fraction form
    3,275.14/4,912.56 = 1,327.36/x
  3. Step 3: Cross multiply
    3,275.14x = 4,912.56 × 1,327.36
  4. Step 4: Simplify right side
    3,275.14x = 6,520,735.64
  5. Step 5: Solve for x
    x = 6,520,735.64/3,275.14
  6. Step 6: Final answer
    x = 1,990.98

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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.