Home / 2,122.24-3,183.44-1,011.08

Finding the Fourth Proportional to 2,122.24, 3,183.44 and 1,011.08

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Solution

The fourth proportional to 2,122.24, 3,183.44 and 1,011.08 is: 1,516.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,122.24 : 3,183.44 = 1,011.08 : x
  2. Step 2: Convert to fraction form
    2,122.24/3,183.44 = 1,011.08/x
  3. Step 3: Cross multiply
    2,122.24x = 3,183.44 × 1,011.08
  4. Step 4: Simplify right side
    2,122.24x = 3,218,709.99
  5. Step 5: Solve for x
    x = 3,218,709.99/2,122.24
  6. Step 6: Final answer
    x = 1,516.66

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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.