Home / 2,272.62-3,136.53-1,277.97

Finding the Fourth Proportional to 2,272.62, 3,136.53 and 1,277.97

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Solution

The fourth proportional to 2,272.62, 3,136.53 and 1,277.97 is: 1,763.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,272.62 : 3,136.53 = 1,277.97 : x
  2. Step 2: Convert to fraction form
    2,272.62/3,136.53 = 1,277.97/x
  3. Step 3: Cross multiply
    2,272.62x = 3,136.53 × 1,277.97
  4. Step 4: Simplify right side
    2,272.62x = 4,008,391.24
  5. Step 5: Solve for x
    x = 4,008,391.24/2,272.62
  6. Step 6: Final answer
    x = 1,763.78

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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.