Home / 2,960.20-4,440.30-2,830.60

Finding the Fourth Proportional to 2,960.20, 4,440.30 and 2,830.60

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Solution

The fourth proportional to 2,960.20, 4,440.30 and 2,830.60 is: 4,245.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,960.20 : 4,440.30 = 2,830.60 : x
  2. Step 2: Convert to fraction form
    2,960.20/4,440.30 = 2,830.60/x
  3. Step 3: Cross multiply
    2,960.20x = 4,440.30 × 2,830.60
  4. Step 4: Simplify right side
    2,960.20x = 12,568,713.18
  5. Step 5: Solve for x
    x = 12,568,713.18/2,960.20
  6. Step 6: Final answer
    x = 4,245.90

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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.