Home / 3,198.69-4,415.85-2,673.81

Finding the Fourth Proportional to 3,198.69, 4,415.85 and 2,673.81

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Solution

The fourth proportional to 3,198.69, 4,415.85 and 2,673.81 is: 3,691.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,198.69 : 4,415.85 = 2,673.81 : x
  2. Step 2: Convert to fraction form
    3,198.69/4,415.85 = 2,673.81/x
  3. Step 3: Cross multiply
    3,198.69x = 4,415.85 × 2,673.81
  4. Step 4: Simplify right side
    3,198.69x = 11,807,143.89
  5. Step 5: Solve for x
    x = 11,807,143.89/3,198.69
  6. Step 6: Final answer
    x = 3,691.24

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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.