Home / 3,992.47-5,509.55-2,224.08

Finding the Fourth Proportional to 3,992.47, 5,509.55 and 2,224.08

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Solution

The fourth proportional to 3,992.47, 5,509.55 and 2,224.08 is: 3,069.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,992.47 : 5,509.55 = 2,224.08 : x
  2. Step 2: Convert to fraction form
    3,992.47/5,509.55 = 2,224.08/x
  3. Step 3: Cross multiply
    3,992.47x = 5,509.55 × 2,224.08
  4. Step 4: Simplify right side
    3,992.47x = 12,253,679.96
  5. Step 5: Solve for x
    x = 12,253,679.96/3,992.47
  6. Step 6: Final answer
    x = 3,069.20

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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.