Home / 4,162.20-6,243.78-1,696.68

Finding the Fourth Proportional to 4,162.20, 6,243.78 and 1,696.68

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Solution

The fourth proportional to 4,162.20, 6,243.78 and 1,696.68 is: 2,545.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,162.20 : 6,243.78 = 1,696.68 : x
  2. Step 2: Convert to fraction form
    4,162.20/6,243.78 = 1,696.68/x
  3. Step 3: Cross multiply
    4,162.20x = 6,243.78 × 1,696.68
  4. Step 4: Simplify right side
    4,162.20x = 10,593,696.65
  5. Step 5: Solve for x
    x = 10,593,696.65/4,162.20
  6. Step 6: Final answer
    x = 2,545.22

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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.