Home / 4,021.36-5,549.96-2,449.68

Finding the Fourth Proportional to 4,021.36, 5,549.96 and 2,449.68

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Solution

The fourth proportional to 4,021.36, 5,549.96 and 2,449.68 is: 3,380.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,021.36 : 5,549.96 = 2,449.68 : x
  2. Step 2: Convert to fraction form
    4,021.36/5,549.96 = 2,449.68/x
  3. Step 3: Cross multiply
    4,021.36x = 5,549.96 × 2,449.68
  4. Step 4: Simplify right side
    4,021.36x = 13,595,626.01
  5. Step 5: Solve for x
    x = 13,595,626.01/4,021.36
  6. Step 6: Final answer
    x = 3,380.85

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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.