Home / 3,490.44-5,209.94-3,198.17

Finding the Fourth Proportional to 3,490.44, 5,209.94 and 3,198.17

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Solution

The fourth proportional to 3,490.44, 5,209.94 and 3,198.17 is: 4,773.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,490.44 : 5,209.94 = 3,198.17 : x
  2. Step 2: Convert to fraction form
    3,490.44/5,209.94 = 3,198.17/x
  3. Step 3: Cross multiply
    3,490.44x = 5,209.94 × 3,198.17
  4. Step 4: Simplify right side
    3,490.44x = 16,662,231.77
  5. Step 5: Solve for x
    x = 16,662,231.77/3,490.44
  6. Step 6: Final answer
    x = 4,773.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.