Home / 3,828.41-5,742.61-1,519.91

Finding the Fourth Proportional to 3,828.41, 5,742.61 and 1,519.91

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Solution

The fourth proportional to 3,828.41, 5,742.61 and 1,519.91 is: 2,279.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,828.41 : 5,742.61 = 1,519.91 : x
  2. Step 2: Convert to fraction form
    3,828.41/5,742.61 = 1,519.91/x
  3. Step 3: Cross multiply
    3,828.41x = 5,742.61 × 1,519.91
  4. Step 4: Simplify right side
    3,828.41x = 8,728,250.37
  5. Step 5: Solve for x
    x = 8,728,250.37/3,828.41
  6. Step 6: Final answer
    x = 2,279.86

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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.