Home / 3,286.58-4,921.83-1,727.88

Finding the Fourth Proportional to 3,286.58, 4,921.83 and 1,727.88

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Solution

The fourth proportional to 3,286.58, 4,921.83 and 1,727.88 is: 2,587.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,286.58 : 4,921.83 = 1,727.88 : x
  2. Step 2: Convert to fraction form
    3,286.58/4,921.83 = 1,727.88/x
  3. Step 3: Cross multiply
    3,286.58x = 4,921.83 × 1,727.88
  4. Step 4: Simplify right side
    3,286.58x = 8,504,340.85
  5. Step 5: Solve for x
    x = 8,504,340.85/3,286.58
  6. Step 6: Final answer
    x = 2,587.60

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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.