Home / 4,022.80-5,551.62-2,449.78

Finding the Fourth Proportional to 4,022.80, 5,551.62 and 2,449.78

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Solution

The fourth proportional to 4,022.80, 5,551.62 and 2,449.78 is: 3,380.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,022.80 : 5,551.62 = 2,449.78 : x
  2. Step 2: Convert to fraction form
    4,022.80/5,551.62 = 2,449.78/x
  3. Step 3: Cross multiply
    4,022.80x = 5,551.62 × 2,449.78
  4. Step 4: Simplify right side
    4,022.80x = 13,600,247.64
  5. Step 5: Solve for x
    x = 13,600,247.64/4,022.80
  6. Step 6: Final answer
    x = 3,380.79

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1.5x scale

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.