Home / 3,979.62-5,966.18-1,756.89

Finding the Fourth Proportional to 3,979.62, 5,966.18 and 1,756.89

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Solution

The fourth proportional to 3,979.62, 5,966.18 and 1,756.89 is: 2,633.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,979.62 : 5,966.18 = 1,756.89 : x
  2. Step 2: Convert to fraction form
    3,979.62/5,966.18 = 1,756.89/x
  3. Step 3: Cross multiply
    3,979.62x = 5,966.18 × 1,756.89
  4. Step 4: Simplify right side
    3,979.62x = 10,481,913.20
  5. Step 5: Solve for x
    x = 10,481,913.20/3,979.62
  6. Step 6: Final answer
    x = 2,633.90

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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.