Home / 3,286.20-4,928.40-1,094.61

Finding the Fourth Proportional to 3,286.20, 4,928.40 and 1,094.61

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Solution

The fourth proportional to 3,286.20, 4,928.40 and 1,094.61 is: 1,641.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,286.20 : 4,928.40 = 1,094.61 : x
  2. Step 2: Convert to fraction form
    3,286.20/4,928.40 = 1,094.61/x
  3. Step 3: Cross multiply
    3,286.20x = 4,928.40 × 1,094.61
  4. Step 4: Simplify right side
    3,286.20x = 5,394,675.92
  5. Step 5: Solve for x
    x = 5,394,675.92/3,286.20
  6. Step 6: Final answer
    x = 1,641.62

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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.