Home / 3,974.33-5,480.80-2,380.73

Finding the Fourth Proportional to 3,974.33, 5,480.80 and 2,380.73

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Solution

The fourth proportional to 3,974.33, 5,480.80 and 2,380.73 is: 3,283.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,974.33 : 5,480.80 = 2,380.73 : x
  2. Step 2: Convert to fraction form
    3,974.33/5,480.80 = 2,380.73/x
  3. Step 3: Cross multiply
    3,974.33x = 5,480.80 × 2,380.73
  4. Step 4: Simplify right side
    3,974.33x = 13,048,271.63
  5. Step 5: Solve for x
    x = 13,048,271.63/3,974.33
  6. Step 6: Final answer
    x = 3,283.14

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.