Home / 2,183.51-3,013.25-1,299.34

Finding the Fourth Proportional to 2,183.51, 3,013.25 and 1,299.34

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Solution

The fourth proportional to 2,183.51, 3,013.25 and 1,299.34 is: 1,793.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,183.51 : 3,013.25 = 1,299.34 : x
  2. Step 2: Convert to fraction form
    2,183.51/3,013.25 = 1,299.34/x
  3. Step 3: Cross multiply
    2,183.51x = 3,013.25 × 1,299.34
  4. Step 4: Simplify right side
    2,183.51x = 3,915,240.83
  5. Step 5: Solve for x
    x = 3,915,240.83/2,183.51
  6. Step 6: Final answer
    x = 1,793.10

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1.5x scale

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.