Home / 3,096.11-4,272.61-1,679.79

Finding the Fourth Proportional to 3,096.11, 4,272.61 and 1,679.79

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Solution

The fourth proportional to 3,096.11, 4,272.61 and 1,679.79 is: 2,318.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,096.11 : 4,272.61 = 1,679.79 : x
  2. Step 2: Convert to fraction form
    3,096.11/4,272.61 = 1,679.79/x
  3. Step 3: Cross multiply
    3,096.11x = 4,272.61 × 1,679.79
  4. Step 4: Simplify right side
    3,096.11x = 7,177,067.33
  5. Step 5: Solve for x
    x = 7,177,067.33/3,096.11
  6. Step 6: Final answer
    x = 2,318.10

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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.