Home / 2,768.17-3,824.94-2,213.22

Finding the Fourth Proportional to 2,768.17, 3,824.94 and 2,213.22

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Solution

The fourth proportional to 2,768.17, 3,824.94 and 2,213.22 is: 3,058.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,768.17 : 3,824.94 = 2,213.22 : x
  2. Step 2: Convert to fraction form
    2,768.17/3,824.94 = 2,213.22/x
  3. Step 3: Cross multiply
    2,768.17x = 3,824.94 × 2,213.22
  4. Step 4: Simplify right side
    2,768.17x = 8,465,422.64
  5. Step 5: Solve for x
    x = 8,465,422.64/2,768.17
  6. Step 6: Final answer
    x = 3,058.13

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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.