Home / 3,938.76-5,908.68-1,341

Finding the Fourth Proportional to 3,938.76, 5,908.68 and 1,341

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Solution

The fourth proportional to 3,938.76, 5,908.68 and 1,341 is: 2,011.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,938.76 : 5,908.68 = 1,341 : x
  2. Step 2: Convert to fraction form
    3,938.76/5,908.68 = 1,341/x
  3. Step 3: Cross multiply
    3,938.76x = 5,908.68 × 1,341
  4. Step 4: Simplify right side
    3,938.76x = 7,923,539.88
  5. Step 5: Solve for x
    x = 7,923,539.88/3,938.76
  6. Step 6: Final answer
    x = 2,011.68

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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.