Home / 3,293.36-4,540.39-2,112.38

Finding the Fourth Proportional to 3,293.36, 4,540.39 and 2,112.38

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Solution

The fourth proportional to 3,293.36, 4,540.39 and 2,112.38 is: 2,912.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,293.36 : 4,540.39 = 2,112.38 : x
  2. Step 2: Convert to fraction form
    3,293.36/4,540.39 = 2,112.38/x
  3. Step 3: Cross multiply
    3,293.36x = 4,540.39 × 2,112.38
  4. Step 4: Simplify right side
    3,293.36x = 9,591,029.03
  5. Step 5: Solve for x
    x = 9,591,029.03/3,293.36
  6. Step 6: Final answer
    x = 2,912.23

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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.