Home / 2,828.20-4,234.20-2,536.60

Finding the Fourth Proportional to 2,828.20, 4,234.20 and 2,536.60

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Solution

The fourth proportional to 2,828.20, 4,234.20 and 2,536.60 is: 3,797.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,828.20 : 4,234.20 = 2,536.60 : x
  2. Step 2: Convert to fraction form
    2,828.20/4,234.20 = 2,536.60/x
  3. Step 3: Cross multiply
    2,828.20x = 4,234.20 × 2,536.60
  4. Step 4: Simplify right side
    2,828.20x = 10,740,471.72
  5. Step 5: Solve for x
    x = 10,740,471.72/2,828.20
  6. Step 6: Final answer
    x = 3,797.64

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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.