Home / 3,943.62-5,918.94-2,966.76

Finding the Fourth Proportional to 3,943.62, 5,918.94 and 2,966.76

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Solution

The fourth proportional to 3,943.62, 5,918.94 and 2,966.76 is: 4,452.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,943.62 : 5,918.94 = 2,966.76 : x
  2. Step 2: Convert to fraction form
    3,943.62/5,918.94 = 2,966.76/x
  3. Step 3: Cross multiply
    3,943.62x = 5,918.94 × 2,966.76
  4. Step 4: Simplify right side
    3,943.62x = 17,560,074.43
  5. Step 5: Solve for x
    x = 17,560,074.43/3,943.62
  6. Step 6: Final answer
    x = 4,452.78

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1.5x scale

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.