Home / 3,376.07-4,659.44-1,959.79

Finding the Fourth Proportional to 3,376.07, 4,659.44 and 1,959.79

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Solution

The fourth proportional to 3,376.07, 4,659.44 and 1,959.79 is: 2,704.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,376.07 : 4,659.44 = 1,959.79 : x
  2. Step 2: Convert to fraction form
    3,376.07/4,659.44 = 1,959.79/x
  3. Step 3: Cross multiply
    3,376.07x = 4,659.44 × 1,959.79
  4. Step 4: Simplify right side
    3,376.07x = 9,131,523.92
  5. Step 5: Solve for x
    x = 9,131,523.92/3,376.07
  6. Step 6: Final answer
    x = 2,704.78

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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.