Home / 3,276.06-4,914.12-1,327.20

Finding the Fourth Proportional to 3,276.06, 4,914.12 and 1,327.20

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Solution

The fourth proportional to 3,276.06, 4,914.12 and 1,327.20 is: 1,990.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,276.06 : 4,914.12 = 1,327.20 : x
  2. Step 2: Convert to fraction form
    3,276.06/4,914.12 = 1,327.20/x
  3. Step 3: Cross multiply
    3,276.06x = 4,914.12 × 1,327.20
  4. Step 4: Simplify right side
    3,276.06x = 6,522,020.06
  5. Step 5: Solve for x
    x = 6,522,020.06/3,276.06
  6. Step 6: Final answer
    x = 1,990.81

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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.