Home / 2,183.54-3,013.40-1,299.29

Finding the Fourth Proportional to 2,183.54, 3,013.40 and 1,299.29

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Solution

The fourth proportional to 2,183.54, 3,013.40 and 1,299.29 is: 1,793.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,183.54 : 3,013.40 = 1,299.29 : x
  2. Step 2: Convert to fraction form
    2,183.54/3,013.40 = 1,299.29/x
  3. Step 3: Cross multiply
    2,183.54x = 3,013.40 × 1,299.29
  4. Step 4: Simplify right side
    2,183.54x = 3,915,268.67
  5. Step 5: Solve for x
    x = 3,915,268.67/2,183.54
  6. Step 6: Final answer
    x = 1,793.09

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.