Home / 2,199.37-3,293.81-1,272.97

Finding the Fourth Proportional to 2,199.37, 3,293.81 and 1,272.97

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Solution

The fourth proportional to 2,199.37, 3,293.81 and 1,272.97 is: 1,906.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,199.37 : 3,293.81 = 1,272.97 : x
  2. Step 2: Convert to fraction form
    2,199.37/3,293.81 = 1,272.97/x
  3. Step 3: Cross multiply
    2,199.37x = 3,293.81 × 1,272.97
  4. Step 4: Simplify right side
    2,199.37x = 4,192,921.32
  5. Step 5: Solve for x
    x = 4,192,921.32/2,199.37
  6. Step 6: Final answer
    x = 1,906.42

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.