Home / 3,200.28-4,792.12-3,005.72

Finding the Fourth Proportional to 3,200.28, 4,792.12 and 3,005.72

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Solution

The fourth proportional to 3,200.28, 4,792.12 and 3,005.72 is: 4,500.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,200.28 : 4,792.12 = 3,005.72 : x
  2. Step 2: Convert to fraction form
    3,200.28/4,792.12 = 3,005.72/x
  3. Step 3: Cross multiply
    3,200.28x = 4,792.12 × 3,005.72
  4. Step 4: Simplify right side
    3,200.28x = 14,403,770.93
  5. Step 5: Solve for x
    x = 14,403,770.93/3,200.28
  6. Step 6: Final answer
    x = 4,500.78

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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.