Home / 3,049.80-4,571.45-2,181.48

Finding the Fourth Proportional to 3,049.80, 4,571.45 and 2,181.48

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Solution

The fourth proportional to 3,049.80, 4,571.45 and 2,181.48 is: 3,269.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,049.80 : 4,571.45 = 2,181.48 : x
  2. Step 2: Convert to fraction form
    3,049.80/4,571.45 = 2,181.48/x
  3. Step 3: Cross multiply
    3,049.80x = 4,571.45 × 2,181.48
  4. Step 4: Simplify right side
    3,049.80x = 9,972,515.84
  5. Step 5: Solve for x
    x = 9,972,515.84/3,049.80
  6. Step 6: Final answer
    x = 3,269.89

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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.