Home / 3,809.11-5,715.30-2,052.07

Finding the Fourth Proportional to 3,809.11, 5,715.30 and 2,052.07

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Solution

The fourth proportional to 3,809.11, 5,715.30 and 2,052.07 is: 3,078.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,809.11 : 5,715.30 = 2,052.07 : x
  2. Step 2: Convert to fraction form
    3,809.11/5,715.30 = 2,052.07/x
  3. Step 3: Cross multiply
    3,809.11x = 5,715.30 × 2,052.07
  4. Step 4: Simplify right side
    3,809.11x = 11,728,195.67
  5. Step 5: Solve for x
    x = 11,728,195.67/3,809.11
  6. Step 6: Final answer
    x = 3,078.99

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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.