Home / 3,286.44-4,536.20-2,027.70

Finding the Fourth Proportional to 3,286.44, 4,536.20 and 2,027.70

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Solution

The fourth proportional to 3,286.44, 4,536.20 and 2,027.70 is: 2,798.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,286.44 : 4,536.20 = 2,027.70 : x
  2. Step 2: Convert to fraction form
    3,286.44/4,536.20 = 2,027.70/x
  3. Step 3: Cross multiply
    3,286.44x = 4,536.20 × 2,027.70
  4. Step 4: Simplify right side
    3,286.44x = 9,198,057.81
  5. Step 5: Solve for x
    x = 9,198,057.81/3,286.44
  6. Step 6: Final answer
    x = 2,798.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.