Home / 2,786.72-4,180.09-1,144.04

Finding the Fourth Proportional to 2,786.72, 4,180.09 and 1,144.04

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Solution

The fourth proportional to 2,786.72, 4,180.09 and 1,144.04 is: 1,716.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,786.72 : 4,180.09 = 1,144.04 : x
  2. Step 2: Convert to fraction form
    2,786.72/4,180.09 = 1,144.04/x
  3. Step 3: Cross multiply
    2,786.72x = 4,180.09 × 1,144.04
  4. Step 4: Simplify right side
    2,786.72x = 4,782,205.59
  5. Step 5: Solve for x
    x = 4,782,205.59/2,786.72
  6. Step 6: Final answer
    x = 1,716.07

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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.