Home / 3,763.83-5,654.39-2,655.79

Finding the Fourth Proportional to 3,763.83, 5,654.39 and 2,655.79

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Solution

The fourth proportional to 3,763.83, 5,654.39 and 2,655.79 is: 3,989.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,763.83 : 5,654.39 = 2,655.79 : x
  2. Step 2: Convert to fraction form
    3,763.83/5,654.39 = 2,655.79/x
  3. Step 3: Cross multiply
    3,763.83x = 5,654.39 × 2,655.79
  4. Step 4: Simplify right side
    3,763.83x = 15,016,859.14
  5. Step 5: Solve for x
    x = 15,016,859.14/3,763.83
  6. Step 6: Final answer
    x = 3,989.79

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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.