Home / 3,929.09-5,899.91-2,286.81

Finding the Fourth Proportional to 3,929.09, 5,899.91 and 2,286.81

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Solution

The fourth proportional to 3,929.09, 5,899.91 and 2,286.81 is: 3,433.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,929.09 : 5,899.91 = 2,286.81 : x
  2. Step 2: Convert to fraction form
    3,929.09/5,899.91 = 2,286.81/x
  3. Step 3: Cross multiply
    3,929.09x = 5,899.91 × 2,286.81
  4. Step 4: Simplify right side
    3,929.09x = 13,491,961.75
  5. Step 5: Solve for x
    x = 13,491,961.75/3,929.09
  6. Step 6: Final answer
    x = 3,433.87

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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.