Home / 3,452.28-5,172.98-2,151.80

Finding the Fourth Proportional to 3,452.28, 5,172.98 and 2,151.80

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Solution

The fourth proportional to 3,452.28, 5,172.98 and 2,151.80 is: 3,224.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,452.28 : 5,172.98 = 2,151.80 : x
  2. Step 2: Convert to fraction form
    3,452.28/5,172.98 = 2,151.80/x
  3. Step 3: Cross multiply
    3,452.28x = 5,172.98 × 2,151.80
  4. Step 4: Simplify right side
    3,452.28x = 11,131,218.36
  5. Step 5: Solve for x
    x = 11,131,218.36/3,452.28
  6. Step 6: Final answer
    x = 3,224.31

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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.