Home / 3,786.21-5,674.08-1,933.42

Finding the Fourth Proportional to 3,786.21, 5,674.08 and 1,933.42

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Solution

The fourth proportional to 3,786.21, 5,674.08 and 1,933.42 is: 2,897.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,786.21 : 5,674.08 = 1,933.42 : x
  2. Step 2: Convert to fraction form
    3,786.21/5,674.08 = 1,933.42/x
  3. Step 3: Cross multiply
    3,786.21x = 5,674.08 × 1,933.42
  4. Step 4: Simplify right side
    3,786.21x = 10,970,379.75
  5. Step 5: Solve for x
    x = 10,970,379.75/3,786.21
  6. Step 6: Final answer
    x = 2,897.46

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.