Home / 3,195.83-4,789.38-2,415.19

Finding the Fourth Proportional to 3,195.83, 4,789.38 and 2,415.19

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Solution

The fourth proportional to 3,195.83, 4,789.38 and 2,415.19 is: 3,619.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,195.83 : 4,789.38 = 2,415.19 : x
  2. Step 2: Convert to fraction form
    3,195.83/4,789.38 = 2,415.19/x
  3. Step 3: Cross multiply
    3,195.83x = 4,789.38 × 2,415.19
  4. Step 4: Simplify right side
    3,195.83x = 11,567,262.68
  5. Step 5: Solve for x
    x = 11,567,262.68/3,195.83
  6. Step 6: Final answer
    x = 3,619.49

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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.