Home / 2,668.33-4,001.48-1,281.27

Finding the Fourth Proportional to 2,668.33, 4,001.48 and 1,281.27

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Solution

The fourth proportional to 2,668.33, 4,001.48 and 1,281.27 is: 1,921.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,668.33 : 4,001.48 = 1,281.27 : x
  2. Step 2: Convert to fraction form
    2,668.33/4,001.48 = 1,281.27/x
  3. Step 3: Cross multiply
    2,668.33x = 4,001.48 × 1,281.27
  4. Step 4: Simplify right side
    2,668.33x = 5,126,976.28
  5. Step 5: Solve for x
    x = 5,126,976.28/2,668.33
  6. Step 6: Final answer
    x = 1,921.42

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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.