Home / 2,122.83-3,183.60-1,301.49

Finding the Fourth Proportional to 2,122.83, 3,183.60 and 1,301.49

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Solution

The fourth proportional to 2,122.83, 3,183.60 and 1,301.49 is: 1,951.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,122.83 : 3,183.60 = 1,301.49 : x
  2. Step 2: Convert to fraction form
    2,122.83/3,183.60 = 1,301.49/x
  3. Step 3: Cross multiply
    2,122.83x = 3,183.60 × 1,301.49
  4. Step 4: Simplify right side
    2,122.83x = 4,143,423.56
  5. Step 5: Solve for x
    x = 4,143,423.56/2,122.83
  6. Step 6: Final answer
    x = 1,951.84

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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.