Home / 3,690.29-5,092.63-2,198.27

Finding the Fourth Proportional to 3,690.29, 5,092.63 and 2,198.27

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Solution

The fourth proportional to 3,690.29, 5,092.63 and 2,198.27 is: 3,033.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,690.29 : 5,092.63 = 2,198.27 : x
  2. Step 2: Convert to fraction form
    3,690.29/5,092.63 = 2,198.27/x
  3. Step 3: Cross multiply
    3,690.29x = 5,092.63 × 2,198.27
  4. Step 4: Simplify right side
    3,690.29x = 11,194,982.99
  5. Step 5: Solve for x
    x = 11,194,982.99/3,690.29
  6. Step 6: Final answer
    x = 3,033.63

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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.