Home / 3,208.42-4,815.30-3,184.12

Finding the Fourth Proportional to 3,208.42, 4,815.30 and 3,184.12

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Solution

The fourth proportional to 3,208.42, 4,815.30 and 3,184.12 is: 4,778.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,208.42 : 4,815.30 = 3,184.12 : x
  2. Step 2: Convert to fraction form
    3,208.42/4,815.30 = 3,184.12/x
  3. Step 3: Cross multiply
    3,208.42x = 4,815.30 × 3,184.12
  4. Step 4: Simplify right side
    3,208.42x = 15,332,493.04
  5. Step 5: Solve for x
    x = 15,332,493.04/3,208.42
  6. Step 6: Final answer
    x = 4,778.83

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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.