Home / 3,399.21-5,095.17-2,305.71

Finding the Fourth Proportional to 3,399.21, 5,095.17 and 2,305.71

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Solution

The fourth proportional to 3,399.21, 5,095.17 and 2,305.71 is: 3,456.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,399.21 : 5,095.17 = 2,305.71 : x
  2. Step 2: Convert to fraction form
    3,399.21/5,095.17 = 2,305.71/x
  3. Step 3: Cross multiply
    3,399.21x = 5,095.17 × 2,305.71
  4. Step 4: Simplify right side
    3,399.21x = 11,747,984.42
  5. Step 5: Solve for x
    x = 11,747,984.42/3,399.21
  6. Step 6: Final answer
    x = 3,456.09

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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.