Home / 2,768.26-3,825.04-2,213.30

Finding the Fourth Proportional to 2,768.26, 3,825.04 and 2,213.30

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Solution

The fourth proportional to 2,768.26, 3,825.04 and 2,213.30 is: 3,058.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,768.26 : 3,825.04 = 2,213.30 : x
  2. Step 2: Convert to fraction form
    2,768.26/3,825.04 = 2,213.30/x
  3. Step 3: Cross multiply
    2,768.26x = 3,825.04 × 2,213.30
  4. Step 4: Simplify right side
    2,768.26x = 8,465,961.03
  5. Step 5: Solve for x
    x = 8,465,961.03/2,768.26
  6. Step 6: Final answer
    x = 3,058.23

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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.