Home / 2,127.24-3,190.99-567.21

Finding the Fourth Proportional to 2,127.24, 3,190.99 and 567.21

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Solution

The fourth proportional to 2,127.24, 3,190.99 and 567.21 is: 850.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,127.24 : 3,190.99 = 567.21 : x
  2. Step 2: Convert to fraction form
    2,127.24/3,190.99 = 567.21/x
  3. Step 3: Cross multiply
    2,127.24x = 3,190.99 × 567.21
  4. Step 4: Simplify right side
    2,127.24x = 1,809,961.44
  5. Step 5: Solve for x
    x = 1,809,961.44/2,127.24
  6. Step 6: Final answer
    x = 850.85

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Double scale
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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.