Home / 2,446.22-3,668.90-1,129.91

Finding the Fourth Proportional to 2,446.22, 3,668.90 and 1,129.91

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Solution

The fourth proportional to 2,446.22, 3,668.90 and 1,129.91 is: 1,694.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,446.22 : 3,668.90 = 1,129.91 : x
  2. Step 2: Convert to fraction form
    2,446.22/3,668.90 = 1,129.91/x
  3. Step 3: Cross multiply
    2,446.22x = 3,668.90 × 1,129.91
  4. Step 4: Simplify right side
    2,446.22x = 4,145,521.15
  5. Step 5: Solve for x
    x = 4,145,521.15/2,446.22
  6. Step 6: Final answer
    x = 1,694.66

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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.