Home / 2,822.26-4,228.71-1,996.44

Finding the Fourth Proportional to 2,822.26, 4,228.71 and 1,996.44

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Solution

The fourth proportional to 2,822.26, 4,228.71 and 1,996.44 is: 2,991.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,822.26 : 4,228.71 = 1,996.44 : x
  2. Step 2: Convert to fraction form
    2,822.26/4,228.71 = 1,996.44/x
  3. Step 3: Cross multiply
    2,822.26x = 4,228.71 × 1,996.44
  4. Step 4: Simplify right side
    2,822.26x = 8,442,365.79
  5. Step 5: Solve for x
    x = 8,442,365.79/2,822.26
  6. Step 6: Final answer
    x = 2,991.35

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1.5x scale

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.