Home / 3,644.80-5,476.64-3,183.82

Finding the Fourth Proportional to 3,644.80, 5,476.64 and 3,183.82

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Solution

The fourth proportional to 3,644.80, 5,476.64 and 3,183.82 is: 4,783.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,644.80 : 5,476.64 = 3,183.82 : x
  2. Step 2: Convert to fraction form
    3,644.80/5,476.64 = 3,183.82/x
  3. Step 3: Cross multiply
    3,644.80x = 5,476.64 × 3,183.82
  4. Step 4: Simplify right side
    3,644.80x = 17,436,616.54
  5. Step 5: Solve for x
    x = 17,436,616.54/3,644.80
  6. Step 6: Final answer
    x = 4,783.98

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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.