Home / 3,992.33-5,509.43-2,224.29

Finding the Fourth Proportional to 3,992.33, 5,509.43 and 2,224.29

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Solution

The fourth proportional to 3,992.33, 5,509.43 and 2,224.29 is: 3,069.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,992.33 : 5,509.43 = 2,224.29 : x
  2. Step 2: Convert to fraction form
    3,992.33/5,509.43 = 2,224.29/x
  3. Step 3: Cross multiply
    3,992.33x = 5,509.43 × 2,224.29
  4. Step 4: Simplify right side
    3,992.33x = 12,254,570.05
  5. Step 5: Solve for x
    x = 12,254,570.05/3,992.33
  6. Step 6: Final answer
    x = 3,069.53

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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.