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Finding the Fourth Proportional to 3,786.33, 5,223.18 and 2,213.52

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Solution

The fourth proportional to 3,786.33, 5,223.18 and 2,213.52 is: 3,053.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,786.33 : 5,223.18 = 2,213.52 : x
  2. Step 2: Convert to fraction form
    3,786.33/5,223.18 = 2,213.52/x
  3. Step 3: Cross multiply
    3,786.33x = 5,223.18 × 2,213.52
  4. Step 4: Simplify right side
    3,786.33x = 11,561,602.11
  5. Step 5: Solve for x
    x = 11,561,602.11/3,786.33
  6. Step 6: Final answer
    x = 3,053.51

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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.