Home / 3,227.44-4,453.80-1,811.20

Finding the Fourth Proportional to 3,227.44, 4,453.80 and 1,811.20

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Solution

The fourth proportional to 3,227.44, 4,453.80 and 1,811.20 is: 2,499.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,227.44 : 4,453.80 = 1,811.20 : x
  2. Step 2: Convert to fraction form
    3,227.44/4,453.80 = 1,811.20/x
  3. Step 3: Cross multiply
    3,227.44x = 4,453.80 × 1,811.20
  4. Step 4: Simplify right side
    3,227.44x = 8,066,722.56
  5. Step 5: Solve for x
    x = 8,066,722.56/3,227.44
  6. Step 6: Final answer
    x = 2,499.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.