Home / 2,168.43-3,246.17-1,475.79

Finding the Fourth Proportional to 2,168.43, 3,246.17 and 1,475.79

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Solution

The fourth proportional to 2,168.43, 3,246.17 and 1,475.79 is: 2,209.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,168.43 : 3,246.17 = 1,475.79 : x
  2. Step 2: Convert to fraction form
    2,168.43/3,246.17 = 1,475.79/x
  3. Step 3: Cross multiply
    2,168.43x = 3,246.17 × 1,475.79
  4. Step 4: Simplify right side
    2,168.43x = 4,790,657.85
  5. Step 5: Solve for x
    x = 4,790,657.85/2,168.43
  6. Step 6: Final answer
    x = 2,209.27

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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.