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Finding the Fourth Proportional to 3,994.92, 5,983.44 and 3,110.54

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Solution

The fourth proportional to 3,994.92, 5,983.44 and 3,110.54 is: 4,658.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,994.92 : 5,983.44 = 3,110.54 : x
  2. Step 2: Convert to fraction form
    3,994.92/5,983.44 = 3,110.54/x
  3. Step 3: Cross multiply
    3,994.92x = 5,983.44 × 3,110.54
  4. Step 4: Simplify right side
    3,994.92x = 18,611,729.46
  5. Step 5: Solve for x
    x = 18,611,729.46/3,994.92
  6. Step 6: Final answer
    x = 4,658.85

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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.