Home / 3,816.52-5,724.84-2,771.45

Finding the Fourth Proportional to 3,816.52, 5,724.84 and 2,771.45

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Solution

The fourth proportional to 3,816.52, 5,724.84 and 2,771.45 is: 4,157.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,816.52 : 5,724.84 = 2,771.45 : x
  2. Step 2: Convert to fraction form
    3,816.52/5,724.84 = 2,771.45/x
  3. Step 3: Cross multiply
    3,816.52x = 5,724.84 × 2,771.45
  4. Step 4: Simplify right side
    3,816.52x = 15,866,111.05
  5. Step 5: Solve for x
    x = 15,866,111.05/3,816.52
  6. Step 6: Final answer
    x = 4,157.22

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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.