Home / 4,079.13-5,629.32-2,310.69

Finding the Fourth Proportional to 4,079.13, 5,629.32 and 2,310.69

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Solution

The fourth proportional to 4,079.13, 5,629.32 and 2,310.69 is: 3,188.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,079.13 : 5,629.32 = 2,310.69 : x
  2. Step 2: Convert to fraction form
    4,079.13/5,629.32 = 2,310.69/x
  3. Step 3: Cross multiply
    4,079.13x = 5,629.32 × 2,310.69
  4. Step 4: Simplify right side
    4,079.13x = 13,007,613.43
  5. Step 5: Solve for x
    x = 13,007,613.43/4,079.13
  6. Step 6: Final answer
    x = 3,188.82

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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.