Home / 3,781.22-5,674.42-1,316.04

Finding the Fourth Proportional to 3,781.22, 5,674.42 and 1,316.04

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Solution

The fourth proportional to 3,781.22, 5,674.42 and 1,316.04 is: 1,974.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,781.22 : 5,674.42 = 1,316.04 : x
  2. Step 2: Convert to fraction form
    3,781.22/5,674.42 = 1,316.04/x
  3. Step 3: Cross multiply
    3,781.22x = 5,674.42 × 1,316.04
  4. Step 4: Simplify right side
    3,781.22x = 7,467,763.70
  5. Step 5: Solve for x
    x = 7,467,763.70/3,781.22
  6. Step 6: Final answer
    x = 1,974.96

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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.