Home / 3,631.05-5,453.24-2,179.13

Finding the Fourth Proportional to 3,631.05, 5,453.24 and 2,179.13

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Solution

The fourth proportional to 3,631.05, 5,453.24 and 2,179.13 is: 3,272.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,631.05 : 5,453.24 = 2,179.13 : x
  2. Step 2: Convert to fraction form
    3,631.05/5,453.24 = 2,179.13/x
  3. Step 3: Cross multiply
    3,631.05x = 5,453.24 × 2,179.13
  4. Step 4: Simplify right side
    3,631.05x = 11,883,280.72
  5. Step 5: Solve for x
    x = 11,883,280.72/3,631.05
  6. Step 6: Final answer
    x = 3,272.68

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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.