Home / 3,924.99-5,884.20-2,689.38

Finding the Fourth Proportional to 3,924.99, 5,884.20 and 2,689.38

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Solution

The fourth proportional to 3,924.99, 5,884.20 and 2,689.38 is: 4,031.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,924.99 : 5,884.20 = 2,689.38 : x
  2. Step 2: Convert to fraction form
    3,924.99/5,884.20 = 2,689.38/x
  3. Step 3: Cross multiply
    3,924.99x = 5,884.20 × 2,689.38
  4. Step 4: Simplify right side
    3,924.99x = 15,824,849.80
  5. Step 5: Solve for x
    x = 15,824,849.80/3,924.99
  6. Step 6: Final answer
    x = 4,031.82

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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.