Home / 2,843.15-4,262.70-1,086.67

Finding the Fourth Proportional to 2,843.15, 4,262.70 and 1,086.67

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Solution

The fourth proportional to 2,843.15, 4,262.70 and 1,086.67 is: 1,629.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,843.15 : 4,262.70 = 1,086.67 : x
  2. Step 2: Convert to fraction form
    2,843.15/4,262.70 = 1,086.67/x
  3. Step 3: Cross multiply
    2,843.15x = 4,262.70 × 1,086.67
  4. Step 4: Simplify right side
    2,843.15x = 4,632,145.54
  5. Step 5: Solve for x
    x = 4,632,145.54/2,843.15
  6. Step 6: Final answer
    x = 1,629.23

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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.