Home / 3,814.92-5,726.44-3,378.86

Finding the Fourth Proportional to 3,814.92, 5,726.44 and 3,378.86

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Solution

The fourth proportional to 3,814.92, 5,726.44 and 3,378.86 is: 5,071.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,814.92 : 5,726.44 = 3,378.86 : x
  2. Step 2: Convert to fraction form
    3,814.92/5,726.44 = 3,378.86/x
  3. Step 3: Cross multiply
    3,814.92x = 5,726.44 × 3,378.86
  4. Step 4: Simplify right side
    3,814.92x = 19,348,839.06
  5. Step 5: Solve for x
    x = 19,348,839.06/3,814.92
  6. Step 6: Final answer
    x = 5,071.89

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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.