Home / 3,403.27-5,105.26-938.09

Finding the Fourth Proportional to 3,403.27, 5,105.26 and 938.09

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Solution

The fourth proportional to 3,403.27, 5,105.26 and 938.09 is: 1,407.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,403.27 : 5,105.26 = 938.09 : x
  2. Step 2: Convert to fraction form
    3,403.27/5,105.26 = 938.09/x
  3. Step 3: Cross multiply
    3,403.27x = 5,105.26 × 938.09
  4. Step 4: Simplify right side
    3,403.27x = 4,789,193.35
  5. Step 5: Solve for x
    x = 4,789,193.35/3,403.27
  6. Step 6: Final answer
    x = 1,407.23

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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.