Home / 3,275.56-4,519.42-1,949.59

Finding the Fourth Proportional to 3,275.56, 4,519.42 and 1,949.59

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Solution

The fourth proportional to 3,275.56, 4,519.42 and 1,949.59 is: 2,689.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,275.56 : 4,519.42 = 1,949.59 : x
  2. Step 2: Convert to fraction form
    3,275.56/4,519.42 = 1,949.59/x
  3. Step 3: Cross multiply
    3,275.56x = 4,519.42 × 1,949.59
  4. Step 4: Simplify right side
    3,275.56x = 8,811,016.04
  5. Step 5: Solve for x
    x = 8,811,016.04/3,275.56
  6. Step 6: Final answer
    x = 2,689.93

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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.