Home / 3,690.50-5,092.92-2,198.48

Finding the Fourth Proportional to 3,690.50, 5,092.92 and 2,198.48

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Solution

The fourth proportional to 3,690.50, 5,092.92 and 2,198.48 is: 3,033.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,690.50 : 5,092.92 = 2,198.48 : x
  2. Step 2: Convert to fraction form
    3,690.50/5,092.92 = 2,198.48/x
  3. Step 3: Cross multiply
    3,690.50x = 5,092.92 × 2,198.48
  4. Step 4: Simplify right side
    3,690.50x = 11,196,671.77
  5. Step 5: Solve for x
    x = 11,196,671.77/3,690.50
  6. Step 6: Final answer
    x = 3,033.92

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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.