Home / 3,816.45-5,724.66-2,517.60

Finding the Fourth Proportional to 3,816.45, 5,724.66 and 2,517.60

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Solution

The fourth proportional to 3,816.45, 5,724.66 and 2,517.60 is: 3,776.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,816.45 : 5,724.66 = 2,517.60 : x
  2. Step 2: Convert to fraction form
    3,816.45/5,724.66 = 2,517.60/x
  3. Step 3: Cross multiply
    3,816.45x = 5,724.66 × 2,517.60
  4. Step 4: Simplify right side
    3,816.45x = 14,412,404.02
  5. Step 5: Solve for x
    x = 14,412,404.02/3,816.45
  6. Step 6: Final answer
    x = 3,776.39

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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.