Home / 3,213.92-4,815.04-2,697.24

Finding the Fourth Proportional to 3,213.92, 4,815.04 and 2,697.24

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Solution

The fourth proportional to 3,213.92, 4,815.04 and 2,697.24 is: 4,040.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,213.92 : 4,815.04 = 2,697.24 : x
  2. Step 2: Convert to fraction form
    3,213.92/4,815.04 = 2,697.24/x
  3. Step 3: Cross multiply
    3,213.92x = 4,815.04 × 2,697.24
  4. Step 4: Simplify right side
    3,213.92x = 12,987,318.49
  5. Step 5: Solve for x
    x = 12,987,318.49/3,213.92
  6. Step 6: Final answer
    x = 4,040.96

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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.