Home / 3,551.22-5,326.82-1,086.06

Finding the Fourth Proportional to 3,551.22, 5,326.82 and 1,086.06

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Solution

The fourth proportional to 3,551.22, 5,326.82 and 1,086.06 is: 1,629.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,551.22 : 5,326.82 = 1,086.06 : x
  2. Step 2: Convert to fraction form
    3,551.22/5,326.82 = 1,086.06/x
  3. Step 3: Cross multiply
    3,551.22x = 5,326.82 × 1,086.06
  4. Step 4: Simplify right side
    3,551.22x = 5,785,240.70
  5. Step 5: Solve for x
    x = 5,785,240.70/3,551.22
  6. Step 6: Final answer
    x = 1,629.09

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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.