Home / 2,839-3,917.94-1,659.88

Finding the Fourth Proportional to 2,839, 3,917.94 and 1,659.88

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Solution

The fourth proportional to 2,839, 3,917.94 and 1,659.88 is: 2,290.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,839 : 3,917.94 = 1,659.88 : x
  2. Step 2: Convert to fraction form
    2,839/3,917.94 = 1,659.88/x
  3. Step 3: Cross multiply
    2,839x = 3,917.94 × 1,659.88
  4. Step 4: Simplify right side
    2,839x = 6,503,310.25
  5. Step 5: Solve for x
    x = 6,503,310.25/2,839
  6. Step 6: Final answer
    x = 2,290.70

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1.5x scale

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.