Home / 3,955.20-5,932.80-2,500.80

Finding the Fourth Proportional to 3,955.20, 5,932.80 and 2,500.80

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Solution

The fourth proportional to 3,955.20, 5,932.80 and 2,500.80 is: 3,751.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,955.20 : 5,932.80 = 2,500.80 : x
  2. Step 2: Convert to fraction form
    3,955.20/5,932.80 = 2,500.80/x
  3. Step 3: Cross multiply
    3,955.20x = 5,932.80 × 2,500.80
  4. Step 4: Simplify right side
    3,955.20x = 14,836,746.24
  5. Step 5: Solve for x
    x = 14,836,746.24/3,955.20
  6. Step 6: Final answer
    x = 3,751.20

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Similar ratio
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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.