Home / 3,992.49-5,509.22-2,224.26

Finding the Fourth Proportional to 3,992.49, 5,509.22 and 2,224.26

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Solution

The fourth proportional to 3,992.49, 5,509.22 and 2,224.26 is: 3,069.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,992.49 : 5,509.22 = 2,224.26 : x
  2. Step 2: Convert to fraction form
    3,992.49/5,509.22 = 2,224.26/x
  3. Step 3: Cross multiply
    3,992.49x = 5,509.22 × 2,224.26
  4. Step 4: Simplify right side
    3,992.49x = 12,253,926.56
  5. Step 5: Solve for x
    x = 12,253,926.56/3,992.49
  6. Step 6: Final answer
    x = 3,069.24

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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.