Home / 3,993.97-5,511.67-2,316.35

Finding the Fourth Proportional to 3,993.97, 5,511.67 and 2,316.35

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Solution

The fourth proportional to 3,993.97, 5,511.67 and 2,316.35 is: 3,196.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,993.97 : 5,511.67 = 2,316.35 : x
  2. Step 2: Convert to fraction form
    3,993.97/5,511.67 = 2,316.35/x
  3. Step 3: Cross multiply
    3,993.97x = 5,511.67 × 2,316.35
  4. Step 4: Simplify right side
    3,993.97x = 12,766,956.80
  5. Step 5: Solve for x
    x = 12,766,956.80/3,993.97
  6. Step 6: Final answer
    x = 3,196.56

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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.