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Finding the Fourth Proportional to 3,994.79, 5,992.22 and 2,239.52

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Solution

The fourth proportional to 3,994.79, 5,992.22 and 2,239.52 is: 3,359.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,994.79 : 5,992.22 = 2,239.52 : x
  2. Step 2: Convert to fraction form
    3,994.79/5,992.22 = 2,239.52/x
  3. Step 3: Cross multiply
    3,994.79x = 5,992.22 × 2,239.52
  4. Step 4: Simplify right side
    3,994.79x = 13,419,672.17
  5. Step 5: Solve for x
    x = 13,419,672.17/3,994.79
  6. Step 6: Final answer
    x = 3,359.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.