Home / 3,429.27-4,725.54-2,379.51

Finding the Fourth Proportional to 3,429.27, 4,725.54 and 2,379.51

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Solution

The fourth proportional to 3,429.27, 4,725.54 and 2,379.51 is: 3,278.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,429.27 : 4,725.54 = 2,379.51 : x
  2. Step 2: Convert to fraction form
    3,429.27/4,725.54 = 2,379.51/x
  3. Step 3: Cross multiply
    3,429.27x = 4,725.54 × 2,379.51
  4. Step 4: Simplify right side
    3,429.27x = 11,244,469.69
  5. Step 5: Solve for x
    x = 11,244,469.69/3,429.27
  6. Step 6: Final answer
    x = 3,278.97

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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.