Home / 3,192.29-4,786.89-1,112.41

Finding the Fourth Proportional to 3,192.29, 4,786.89 and 1,112.41

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Solution

The fourth proportional to 3,192.29, 4,786.89 and 1,112.41 is: 1,668.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,192.29 : 4,786.89 = 1,112.41 : x
  2. Step 2: Convert to fraction form
    3,192.29/4,786.89 = 1,112.41/x
  3. Step 3: Cross multiply
    3,192.29x = 4,786.89 × 1,112.41
  4. Step 4: Simplify right side
    3,192.29x = 5,324,984.30
  5. Step 5: Solve for x
    x = 5,324,984.30/3,192.29
  6. Step 6: Final answer
    x = 1,668.08

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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.