Home / 2,668.27-4,001.92-1,571.35

Finding the Fourth Proportional to 2,668.27, 4,001.92 and 1,571.35

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Solution

The fourth proportional to 2,668.27, 4,001.92 and 1,571.35 is: 2,356.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,668.27 : 4,001.92 = 1,571.35 : x
  2. Step 2: Convert to fraction form
    2,668.27/4,001.92 = 1,571.35/x
  3. Step 3: Cross multiply
    2,668.27x = 4,001.92 × 1,571.35
  4. Step 4: Simplify right side
    2,668.27x = 6,288,416.99
  5. Step 5: Solve for x
    x = 6,288,416.99/2,668.27
  6. Step 6: Final answer
    x = 2,356.74

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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.