Home / 3,834.48-5,749.92-2,429.28

Finding the Fourth Proportional to 3,834.48, 5,749.92 and 2,429.28

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Solution

The fourth proportional to 3,834.48, 5,749.92 and 2,429.28 is: 3,642.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,834.48 : 5,749.92 = 2,429.28 : x
  2. Step 2: Convert to fraction form
    3,834.48/5,749.92 = 2,429.28/x
  3. Step 3: Cross multiply
    3,834.48x = 5,749.92 × 2,429.28
  4. Step 4: Simplify right side
    3,834.48x = 13,968,165.66
  5. Step 5: Solve for x
    x = 13,968,165.66/3,834.48
  6. Step 6: Final answer
    x = 3,642.78

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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.