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Finding the Fourth Proportional to 3,800.37, 5,729.79 and 3,732.33

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Solution

The fourth proportional to 3,800.37, 5,729.79 and 3,732.33 is: 5,627.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,800.37 : 5,729.79 = 3,732.33 : x
  2. Step 2: Convert to fraction form
    3,800.37/5,729.79 = 3,732.33/x
  3. Step 3: Cross multiply
    3,800.37x = 5,729.79 × 3,732.33
  4. Step 4: Simplify right side
    3,800.37x = 21,385,467.11
  5. Step 5: Solve for x
    x = 21,385,467.11/3,800.37
  6. Step 6: Final answer
    x = 5,627.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.