Home / 3,958.60-5,938.71-1,361.74

Finding the Fourth Proportional to 3,958.60, 5,938.71 and 1,361.74

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Solution

The fourth proportional to 3,958.60, 5,938.71 and 1,361.74 is: 2,042.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,958.60 : 5,938.71 = 1,361.74 : x
  2. Step 2: Convert to fraction form
    3,958.60/5,938.71 = 1,361.74/x
  3. Step 3: Cross multiply
    3,958.60x = 5,938.71 × 1,361.74
  4. Step 4: Simplify right side
    3,958.60x = 8,086,978.96
  5. Step 5: Solve for x
    x = 8,086,978.96/3,958.60
  6. Step 6: Final answer
    x = 2,042.89

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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.