Home / 2,147.24-3,235.49-1,765.79

Finding the Fourth Proportional to 2,147.24, 3,235.49 and 1,765.79

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Solution

The fourth proportional to 2,147.24, 3,235.49 and 1,765.79 is: 2,660.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,147.24 : 3,235.49 = 1,765.79 : x
  2. Step 2: Convert to fraction form
    2,147.24/3,235.49 = 1,765.79/x
  3. Step 3: Cross multiply
    2,147.24x = 3,235.49 × 1,765.79
  4. Step 4: Simplify right side
    2,147.24x = 5,713,183.57
  5. Step 5: Solve for x
    x = 5,713,183.57/2,147.24
  6. Step 6: Final answer
    x = 2,660.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.