Home / 3,992.08-5,512.04-2,422.30

Finding the Fourth Proportional to 3,992.08, 5,512.04 and 2,422.30

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Solution

The fourth proportional to 3,992.08, 5,512.04 and 2,422.30 is: 3,344.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,992.08 : 5,512.04 = 2,422.30 : x
  2. Step 2: Convert to fraction form
    3,992.08/5,512.04 = 2,422.30/x
  3. Step 3: Cross multiply
    3,992.08x = 5,512.04 × 2,422.30
  4. Step 4: Simplify right side
    3,992.08x = 13,351,814.49
  5. Step 5: Solve for x
    x = 13,351,814.49/3,992.08
  6. Step 6: Final answer
    x = 3,344.58

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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.