Home / 2,767.25-3,823.66-2,212.30

Finding the Fourth Proportional to 2,767.25, 3,823.66 and 2,212.30

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Solution

The fourth proportional to 2,767.25, 3,823.66 and 2,212.30 is: 3,056.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,767.25 : 3,823.66 = 2,212.30 : x
  2. Step 2: Convert to fraction form
    2,767.25/3,823.66 = 2,212.30/x
  3. Step 3: Cross multiply
    2,767.25x = 3,823.66 × 2,212.30
  4. Step 4: Simplify right side
    2,767.25x = 8,459,090.56
  5. Step 5: Solve for x
    x = 8,459,090.56/2,767.25
  6. Step 6: Final answer
    x = 3,056.86

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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.