Home / 3,425.39-5,156.74-2,336.61

Finding the Fourth Proportional to 3,425.39, 5,156.74 and 2,336.61

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Solution

The fourth proportional to 3,425.39, 5,156.74 and 2,336.61 is: 3,517.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,425.39 : 5,156.74 = 2,336.61 : x
  2. Step 2: Convert to fraction form
    3,425.39/5,156.74 = 2,336.61/x
  3. Step 3: Cross multiply
    3,425.39x = 5,156.74 × 2,336.61
  4. Step 4: Simplify right side
    3,425.39x = 12,049,290.25
  5. Step 5: Solve for x
    x = 12,049,290.25/3,425.39
  6. Step 6: Final answer
    x = 3,517.65

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.