Home / 2,286.68-3,430.17-805.73

Finding the Fourth Proportional to 2,286.68, 3,430.17 and 805.73

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Solution

The fourth proportional to 2,286.68, 3,430.17 and 805.73 is: 1,208.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,286.68 : 3,430.17 = 805.73 : x
  2. Step 2: Convert to fraction form
    2,286.68/3,430.17 = 805.73/x
  3. Step 3: Cross multiply
    2,286.68x = 3,430.17 × 805.73
  4. Step 4: Simplify right side
    2,286.68x = 2,763,790.87
  5. Step 5: Solve for x
    x = 2,763,790.87/2,286.68
  6. Step 6: Final answer
    x = 1,208.65

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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.