Home / 4,079.19-5,629.13-2,310.86

Finding the Fourth Proportional to 4,079.19, 5,629.13 and 2,310.86

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Solution

The fourth proportional to 4,079.19, 5,629.13 and 2,310.86 is: 3,188.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,079.19 : 5,629.13 = 2,310.86 : x
  2. Step 2: Convert to fraction form
    4,079.19/5,629.13 = 2,310.86/x
  3. Step 3: Cross multiply
    4,079.19x = 5,629.13 × 2,310.86
  4. Step 4: Simplify right side
    4,079.19x = 13,008,142.54
  5. Step 5: Solve for x
    x = 13,008,142.54/4,079.19
  6. Step 6: Final answer
    x = 3,188.90

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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.