Home / 3,993.12-5,511.60-2,314.80

Finding the Fourth Proportional to 3,993.12, 5,511.60 and 2,314.80

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Solution

The fourth proportional to 3,993.12, 5,511.60 and 2,314.80 is: 3,195.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,993.12 : 5,511.60 = 2,314.80 : x
  2. Step 2: Convert to fraction form
    3,993.12/5,511.60 = 2,314.80/x
  3. Step 3: Cross multiply
    3,993.12x = 5,511.60 × 2,314.80
  4. Step 4: Simplify right side
    3,993.12x = 12,758,251.68
  5. Step 5: Solve for x
    x = 12,758,251.68/3,993.12
  6. Step 6: Final answer
    x = 3,195.06

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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.