Home / 3,826.38-5,740.64-1,361.45

Finding the Fourth Proportional to 3,826.38, 5,740.64 and 1,361.45

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Solution

The fourth proportional to 3,826.38, 5,740.64 and 1,361.45 is: 2,042.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,826.38 : 5,740.64 = 1,361.45 : x
  2. Step 2: Convert to fraction form
    3,826.38/5,740.64 = 1,361.45/x
  3. Step 3: Cross multiply
    3,826.38x = 5,740.64 × 1,361.45
  4. Step 4: Simplify right side
    3,826.38x = 7,815,597.73
  5. Step 5: Solve for x
    x = 7,815,597.73/3,826.38
  6. Step 6: Final answer
    x = 2,042.56

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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.