Home / 2,847.62-3,933.45-2,183.33

Finding the Fourth Proportional to 2,847.62, 3,933.45 and 2,183.33

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Solution

The fourth proportional to 2,847.62, 3,933.45 and 2,183.33 is: 3,015.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,847.62 : 3,933.45 = 2,183.33 : x
  2. Step 2: Convert to fraction form
    2,847.62/3,933.45 = 2,183.33/x
  3. Step 3: Cross multiply
    2,847.62x = 3,933.45 × 2,183.33
  4. Step 4: Simplify right side
    2,847.62x = 8,588,019.39
  5. Step 5: Solve for x
    x = 8,588,019.39/2,847.62
  6. Step 6: Final answer
    x = 3,015.86

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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.