Home / 3,910.34-5,397.96-2,338.13

Finding the Fourth Proportional to 3,910.34, 5,397.96 and 2,338.13

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Solution

The fourth proportional to 3,910.34, 5,397.96 and 2,338.13 is: 3,227.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,910.34 : 5,397.96 = 2,338.13 : x
  2. Step 2: Convert to fraction form
    3,910.34/5,397.96 = 2,338.13/x
  3. Step 3: Cross multiply
    3,910.34x = 5,397.96 × 2,338.13
  4. Step 4: Simplify right side
    3,910.34x = 12,621,105.23
  5. Step 5: Solve for x
    x = 12,621,105.23/3,910.34
  6. Step 6: Final answer
    x = 3,227.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.