Home / 3,213.24-4,816.78-1,568.90

Finding the Fourth Proportional to 3,213.24, 4,816.78 and 1,568.90

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Solution

The fourth proportional to 3,213.24, 4,816.78 and 1,568.90 is: 2,351.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,213.24 : 4,816.78 = 1,568.90 : x
  2. Step 2: Convert to fraction form
    3,213.24/4,816.78 = 1,568.90/x
  3. Step 3: Cross multiply
    3,213.24x = 4,816.78 × 1,568.90
  4. Step 4: Simplify right side
    3,213.24x = 7,557,046.14
  5. Step 5: Solve for x
    x = 7,557,046.14/3,213.24
  6. Step 6: Final answer
    x = 2,351.85

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1.5x scale

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.