Home / 2,732.90-4,100.68-1,172.44

Finding the Fourth Proportional to 2,732.90, 4,100.68 and 1,172.44

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Solution

The fourth proportional to 2,732.90, 4,100.68 and 1,172.44 is: 1,759.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,732.90 : 4,100.68 = 1,172.44 : x
  2. Step 2: Convert to fraction form
    2,732.90/4,100.68 = 1,172.44/x
  3. Step 3: Cross multiply
    2,732.90x = 4,100.68 × 1,172.44
  4. Step 4: Simplify right side
    2,732.90x = 4,807,791.38
  5. Step 5: Solve for x
    x = 4,807,791.38/2,732.90
  6. Step 6: Final answer
    x = 1,759.23

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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.