Home / 2,167.26-2,992.18-1,668.96

Finding the Fourth Proportional to 2,167.26, 2,992.18 and 1,668.96

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Solution

The fourth proportional to 2,167.26, 2,992.18 and 1,668.96 is: 2,304.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,167.26 : 2,992.18 = 1,668.96 : x
  2. Step 2: Convert to fraction form
    2,167.26/2,992.18 = 1,668.96/x
  3. Step 3: Cross multiply
    2,167.26x = 2,992.18 × 1,668.96
  4. Step 4: Simplify right side
    2,167.26x = 4,993,828.73
  5. Step 5: Solve for x
    x = 4,993,828.73/2,167.26
  6. Step 6: Final answer
    x = 2,304.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.