Home / 2,133.26-3,194.25-1,668.87

Finding the Fourth Proportional to 2,133.26, 3,194.25 and 1,668.87

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Solution

The fourth proportional to 2,133.26, 3,194.25 and 1,668.87 is: 2,498.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,133.26 : 3,194.25 = 1,668.87 : x
  2. Step 2: Convert to fraction form
    2,133.26/3,194.25 = 1,668.87/x
  3. Step 3: Cross multiply
    2,133.26x = 3,194.25 × 1,668.87
  4. Step 4: Simplify right side
    2,133.26x = 5,330,781.74
  5. Step 5: Solve for x
    x = 5,330,781.74/2,133.26
  6. Step 6: Final answer
    x = 2,498.89

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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.