Home / 3,152.20-4,728.56-960.95

Finding the Fourth Proportional to 3,152.20, 4,728.56 and 960.95

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Solution

The fourth proportional to 3,152.20, 4,728.56 and 960.95 is: 1,441.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,152.20 : 4,728.56 = 960.95 : x
  2. Step 2: Convert to fraction form
    3,152.20/4,728.56 = 960.95/x
  3. Step 3: Cross multiply
    3,152.20x = 4,728.56 × 960.95
  4. Step 4: Simplify right side
    3,152.20x = 4,543,909.73
  5. Step 5: Solve for x
    x = 4,543,909.73/3,152.20
  6. Step 6: Final answer
    x = 1,441.50

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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.