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Finding the Fourth Proportional to 3,994.74, 5,993.03 and 1,221.82

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Solution

The fourth proportional to 3,994.74, 5,993.03 and 1,221.82 is: 1,833.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,994.74 : 5,993.03 = 1,221.82 : x
  2. Step 2: Convert to fraction form
    3,994.74/5,993.03 = 1,221.82/x
  3. Step 3: Cross multiply
    3,994.74x = 5,993.03 × 1,221.82
  4. Step 4: Simplify right side
    3,994.74x = 7,322,391.99
  5. Step 5: Solve for x
    x = 7,322,391.99/3,994.74
  6. Step 6: Final answer
    x = 1,833.01

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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.