Home / 3,816.20-5,719.29-2,765.54

Finding the Fourth Proportional to 3,816.20, 5,719.29 and 2,765.54

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Solution

The fourth proportional to 3,816.20, 5,719.29 and 2,765.54 is: 4,144.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,816.20 : 5,719.29 = 2,765.54 : x
  2. Step 2: Convert to fraction form
    3,816.20/5,719.29 = 2,765.54/x
  3. Step 3: Cross multiply
    3,816.20x = 5,719.29 × 2,765.54
  4. Step 4: Simplify right side
    3,816.20x = 15,816,925.27
  5. Step 5: Solve for x
    x = 15,816,925.27/3,816.20
  6. Step 6: Final answer
    x = 4,144.68

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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.