Home / 3,781.44-5,674.08-1,474.56

Finding the Fourth Proportional to 3,781.44, 5,674.08 and 1,474.56

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Solution

The fourth proportional to 3,781.44, 5,674.08 and 1,474.56 is: 2,212.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,781.44 : 5,674.08 = 1,474.56 : x
  2. Step 2: Convert to fraction form
    3,781.44/5,674.08 = 1,474.56/x
  3. Step 3: Cross multiply
    3,781.44x = 5,674.08 × 1,474.56
  4. Step 4: Simplify right side
    3,781.44x = 8,366,771.40
  5. Step 5: Solve for x
    x = 8,366,771.40/3,781.44
  6. Step 6: Final answer
    x = 2,212.59

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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.