Home / 2,106.54-3,161.75-1,067.26

Finding the Fourth Proportional to 2,106.54, 3,161.75 and 1,067.26

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Solution

The fourth proportional to 2,106.54, 3,161.75 and 1,067.26 is: 1,601.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,106.54 : 3,161.75 = 1,067.26 : x
  2. Step 2: Convert to fraction form
    2,106.54/3,161.75 = 1,067.26/x
  3. Step 3: Cross multiply
    2,106.54x = 3,161.75 × 1,067.26
  4. Step 4: Simplify right side
    2,106.54x = 3,374,415.85
  5. Step 5: Solve for x
    x = 3,374,415.85/2,106.54
  6. Step 6: Final answer
    x = 1,601.88

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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.