Home / 3,179.94-4,388.19-1,763.65

Finding the Fourth Proportional to 3,179.94, 4,388.19 and 1,763.65

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Solution

The fourth proportional to 3,179.94, 4,388.19 and 1,763.65 is: 2,433.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,179.94 : 4,388.19 = 1,763.65 : x
  2. Step 2: Convert to fraction form
    3,179.94/4,388.19 = 1,763.65/x
  3. Step 3: Cross multiply
    3,179.94x = 4,388.19 × 1,763.65
  4. Step 4: Simplify right side
    3,179.94x = 7,739,209.35
  5. Step 5: Solve for x
    x = 7,739,209.35/3,179.94
  6. Step 6: Final answer
    x = 2,433.76

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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.