Home / 3,881.94-5,816.79-2,418.90

Finding the Fourth Proportional to 3,881.94, 5,816.79 and 2,418.90

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Solution

The fourth proportional to 3,881.94, 5,816.79 and 2,418.90 is: 3,624.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,881.94 : 5,816.79 = 2,418.90 : x
  2. Step 2: Convert to fraction form
    3,881.94/5,816.79 = 2,418.90/x
  3. Step 3: Cross multiply
    3,881.94x = 5,816.79 × 2,418.90
  4. Step 4: Simplify right side
    3,881.94x = 14,070,233.33
  5. Step 5: Solve for x
    x = 14,070,233.33/3,881.94
  6. Step 6: Final answer
    x = 3,624.54

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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.