Home / 3,286.96-4,532.28-2,449.12

Finding the Fourth Proportional to 3,286.96, 4,532.28 and 2,449.12

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Solution

The fourth proportional to 3,286.96, 4,532.28 and 2,449.12 is: 3,377.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,286.96 : 4,532.28 = 2,449.12 : x
  2. Step 2: Convert to fraction form
    3,286.96/4,532.28 = 2,449.12/x
  3. Step 3: Cross multiply
    3,286.96x = 4,532.28 × 2,449.12
  4. Step 4: Simplify right side
    3,286.96x = 11,100,097.59
  5. Step 5: Solve for x
    x = 11,100,097.59/3,286.96
  6. Step 6: Final answer
    x = 3,377.01

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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.