Home / 2,279.65-3,145.97-1,336.04

Finding the Fourth Proportional to 2,279.65, 3,145.97 and 1,336.04

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Solution

The fourth proportional to 2,279.65, 3,145.97 and 1,336.04 is: 1,843.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,279.65 : 3,145.97 = 1,336.04 : x
  2. Step 2: Convert to fraction form
    2,279.65/3,145.97 = 1,336.04/x
  3. Step 3: Cross multiply
    2,279.65x = 3,145.97 × 1,336.04
  4. Step 4: Simplify right side
    2,279.65x = 4,203,135.08
  5. Step 5: Solve for x
    x = 4,203,135.08/2,279.65
  6. Step 6: Final answer
    x = 1,843.77

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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.