Home / 2,822.20-3,872.46-2,773

Finding the Fourth Proportional to 2,822.20, 3,872.46 and 2,773

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Solution

The fourth proportional to 2,822.20, 3,872.46 and 2,773 is: 3,804.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,822.20 : 3,872.46 = 2,773 : x
  2. Step 2: Convert to fraction form
    2,822.20/3,872.46 = 2,773/x
  3. Step 3: Cross multiply
    2,822.20x = 3,872.46 × 2,773
  4. Step 4: Simplify right side
    2,822.20x = 10,738,331.58
  5. Step 5: Solve for x
    x = 10,738,331.58/2,822.20
  6. Step 6: Final answer
    x = 3,804.95

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.