Home / 3,339.20-4,999.20-2,993.60

Finding the Fourth Proportional to 3,339.20, 4,999.20 and 2,993.60

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Solution

The fourth proportional to 3,339.20, 4,999.20 and 2,993.60 is: 4,481.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,339.20 : 4,999.20 = 2,993.60 : x
  2. Step 2: Convert to fraction form
    3,339.20/4,999.20 = 2,993.60/x
  3. Step 3: Cross multiply
    3,339.20x = 4,999.20 × 2,993.60
  4. Step 4: Simplify right side
    3,339.20x = 14,965,605.12
  5. Step 5: Solve for x
    x = 14,965,605.12/3,339.20
  6. Step 6: Final answer
    x = 4,481.79

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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.