Home / 3,874.24-5,812.68-1,681.84

Finding the Fourth Proportional to 3,874.24, 5,812.68 and 1,681.84

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Solution

The fourth proportional to 3,874.24, 5,812.68 and 1,681.84 is: 2,523.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,874.24 : 5,812.68 = 1,681.84 : x
  2. Step 2: Convert to fraction form
    3,874.24/5,812.68 = 1,681.84/x
  3. Step 3: Cross multiply
    3,874.24x = 5,812.68 × 1,681.84
  4. Step 4: Simplify right side
    3,874.24x = 9,775,997.73
  5. Step 5: Solve for x
    x = 9,775,997.73/3,874.24
  6. Step 6: Final answer
    x = 2,523.33

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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.