Home / 3,183.62-4,392.86-1,767.08

Finding the Fourth Proportional to 3,183.62, 4,392.86 and 1,767.08

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Solution

The fourth proportional to 3,183.62, 4,392.86 and 1,767.08 is: 2,438.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,183.62 : 4,392.86 = 1,767.08 : x
  2. Step 2: Convert to fraction form
    3,183.62/4,392.86 = 1,767.08/x
  3. Step 3: Cross multiply
    3,183.62x = 4,392.86 × 1,767.08
  4. Step 4: Simplify right side
    3,183.62x = 7,762,504.25
  5. Step 5: Solve for x
    x = 7,762,504.25/3,183.62
  6. Step 6: Final answer
    x = 2,438.27

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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.