Home / 3,992.50-5,509.58-2,224.07

Finding the Fourth Proportional to 3,992.50, 5,509.58 and 2,224.07

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Solution

The fourth proportional to 3,992.50, 5,509.58 and 2,224.07 is: 3,069.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,992.50 : 5,509.58 = 2,224.07 : x
  2. Step 2: Convert to fraction form
    3,992.50/5,509.58 = 2,224.07/x
  3. Step 3: Cross multiply
    3,992.50x = 5,509.58 × 2,224.07
  4. Step 4: Simplify right side
    3,992.50x = 12,253,691.59
  5. Step 5: Solve for x
    x = 12,253,691.59/3,992.50
  6. Step 6: Final answer
    x = 3,069.18

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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.