Home / 3,192.19-4,786.33-1,317.50

Finding the Fourth Proportional to 3,192.19, 4,786.33 and 1,317.50

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Solution

The fourth proportional to 3,192.19, 4,786.33 and 1,317.50 is: 1,975.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,192.19 : 4,786.33 = 1,317.50 : x
  2. Step 2: Convert to fraction form
    3,192.19/4,786.33 = 1,317.50/x
  3. Step 3: Cross multiply
    3,192.19x = 4,786.33 × 1,317.50
  4. Step 4: Simplify right side
    3,192.19x = 6,305,982.97
  5. Step 5: Solve for x
    x = 6,305,982.97/3,192.19
  6. Step 6: Final answer
    x = 1,975.44

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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.