Home / 3,814.56-5,721.84-2,661.12

Finding the Fourth Proportional to 3,814.56, 5,721.84 and 2,661.12

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Solution

The fourth proportional to 3,814.56, 5,721.84 and 2,661.12 is: 3,991.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,814.56 : 5,721.84 = 2,661.12 : x
  2. Step 2: Convert to fraction form
    3,814.56/5,721.84 = 2,661.12/x
  3. Step 3: Cross multiply
    3,814.56x = 5,721.84 × 2,661.12
  4. Step 4: Simplify right side
    3,814.56x = 15,226,502.86
  5. Step 5: Solve for x
    x = 15,226,502.86/3,814.56
  6. Step 6: Final answer
    x = 3,991.68

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Similar ratio
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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.