Home / 3,453.90-5,172.96-2,711.82

Finding the Fourth Proportional to 3,453.90, 5,172.96 and 2,711.82

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Solution

The fourth proportional to 3,453.90, 5,172.96 and 2,711.82 is: 4,061.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,453.90 : 5,172.96 = 2,711.82 : x
  2. Step 2: Convert to fraction form
    3,453.90/5,172.96 = 2,711.82/x
  3. Step 3: Cross multiply
    3,453.90x = 5,172.96 × 2,711.82
  4. Step 4: Simplify right side
    3,453.90x = 14,028,136.39
  5. Step 5: Solve for x
    x = 14,028,136.39/3,453.90
  6. Step 6: Final answer
    x = 4,061.54

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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.