Home / 3,190.29-4,759.79-2,839.42

Finding the Fourth Proportional to 3,190.29, 4,759.79 and 2,839.42

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Solution

The fourth proportional to 3,190.29, 4,759.79 and 2,839.42 is: 4,236.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,190.29 : 4,759.79 = 2,839.42 : x
  2. Step 2: Convert to fraction form
    3,190.29/4,759.79 = 2,839.42/x
  3. Step 3: Cross multiply
    3,190.29x = 4,759.79 × 2,839.42
  4. Step 4: Simplify right side
    3,190.29x = 13,515,042.92
  5. Step 5: Solve for x
    x = 13,515,042.92/3,190.29
  6. Step 6: Final answer
    x = 4,236.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.