Home / 2,808.08-3,876.36-2,750.48

Finding the Fourth Proportional to 2,808.08, 3,876.36 and 2,750.48

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Solution

The fourth proportional to 2,808.08, 3,876.36 and 2,750.48 is: 3,796.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,808.08 : 3,876.36 = 2,750.48 : x
  2. Step 2: Convert to fraction form
    2,808.08/3,876.36 = 2,750.48/x
  3. Step 3: Cross multiply
    2,808.08x = 3,876.36 × 2,750.48
  4. Step 4: Simplify right side
    2,808.08x = 10,661,850.65
  5. Step 5: Solve for x
    x = 10,661,850.65/2,808.08
  6. Step 6: Final answer
    x = 3,796.85

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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.