Home / 4,081.91-5,635.68-2,571.65

Finding the Fourth Proportional to 4,081.91, 5,635.68 and 2,571.65

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Solution

The fourth proportional to 4,081.91, 5,635.68 and 2,571.65 is: 3,550.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,081.91 : 5,635.68 = 2,571.65 : x
  2. Step 2: Convert to fraction form
    4,081.91/5,635.68 = 2,571.65/x
  3. Step 3: Cross multiply
    4,081.91x = 5,635.68 × 2,571.65
  4. Step 4: Simplify right side
    4,081.91x = 14,492,996.47
  5. Step 5: Solve for x
    x = 14,492,996.47/4,081.91
  6. Step 6: Final answer
    x = 3,550.54

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1.5x scale

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.