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Finding the Fourth Proportional to 3,993.96, 5,987.93 and 2,757.84

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Solution

The fourth proportional to 3,993.96, 5,987.93 and 2,757.84 is: 4,134.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,993.96 : 5,987.93 = 2,757.84 : x
  2. Step 2: Convert to fraction form
    3,993.96/5,987.93 = 2,757.84/x
  3. Step 3: Cross multiply
    3,993.96x = 5,987.93 × 2,757.84
  4. Step 4: Simplify right side
    3,993.96x = 16,513,752.87
  5. Step 5: Solve for x
    x = 16,513,752.87/3,993.96
  6. Step 6: Final answer
    x = 4,134.68

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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.