Home / 3,276.40-4,912.32-2,626.96

Finding the Fourth Proportional to 3,276.40, 4,912.32 and 2,626.96

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Solution

The fourth proportional to 3,276.40, 4,912.32 and 2,626.96 is: 3,938.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,276.40 : 4,912.32 = 2,626.96 : x
  2. Step 2: Convert to fraction form
    3,276.40/4,912.32 = 2,626.96/x
  3. Step 3: Cross multiply
    3,276.40x = 4,912.32 × 2,626.96
  4. Step 4: Simplify right side
    3,276.40x = 12,904,468.15
  5. Step 5: Solve for x
    x = 12,904,468.15/3,276.40
  6. Step 6: Final answer
    x = 3,938.61

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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.