Home / 2,767.05-3,823.38-2,212.09

Finding the Fourth Proportional to 2,767.05, 3,823.38 and 2,212.09

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Solution

The fourth proportional to 2,767.05, 3,823.38 and 2,212.09 is: 3,056.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,767.05 : 3,823.38 = 2,212.09 : x
  2. Step 2: Convert to fraction form
    2,767.05/3,823.38 = 2,212.09/x
  3. Step 3: Cross multiply
    2,767.05x = 3,823.38 × 2,212.09
  4. Step 4: Simplify right side
    2,767.05x = 8,457,660.66
  5. Step 5: Solve for x
    x = 8,457,660.66/2,767.05
  6. Step 6: Final answer
    x = 3,056.56

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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.