Home / 3,427.28-5,142.96-3,399.44

Finding the Fourth Proportional to 3,427.28, 5,142.96 and 3,399.44

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Solution

The fourth proportional to 3,427.28, 5,142.96 and 3,399.44 is: 5,101.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,427.28 : 5,142.96 = 3,399.44 : x
  2. Step 2: Convert to fraction form
    3,427.28/5,142.96 = 3,399.44/x
  3. Step 3: Cross multiply
    3,427.28x = 5,142.96 × 3,399.44
  4. Step 4: Simplify right side
    3,427.28x = 17,483,183.94
  5. Step 5: Solve for x
    x = 17,483,183.94/3,427.28
  6. Step 6: Final answer
    x = 5,101.18

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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.