Home / 3,828.36-5,281.92-2,234.64

Finding the Fourth Proportional to 3,828.36, 5,281.92 and 2,234.64

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Solution

The fourth proportional to 3,828.36, 5,281.92 and 2,234.64 is: 3,083.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,828.36 : 5,281.92 = 2,234.64 : x
  2. Step 2: Convert to fraction form
    3,828.36/5,281.92 = 2,234.64/x
  3. Step 3: Cross multiply
    3,828.36x = 5,281.92 × 2,234.64
  4. Step 4: Simplify right side
    3,828.36x = 11,803,189.71
  5. Step 5: Solve for x
    x = 11,803,189.71/3,828.36
  6. Step 6: Final answer
    x = 3,083.09

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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.