Home / 3,376.50-5,040.31-2,917.23

Finding the Fourth Proportional to 3,376.50, 5,040.31 and 2,917.23

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Solution

The fourth proportional to 3,376.50, 5,040.31 and 2,917.23 is: 4,354.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,376.50 : 5,040.31 = 2,917.23 : x
  2. Step 2: Convert to fraction form
    3,376.50/5,040.31 = 2,917.23/x
  3. Step 3: Cross multiply
    3,376.50x = 5,040.31 × 2,917.23
  4. Step 4: Simplify right side
    3,376.50x = 14,703,743.54
  5. Step 5: Solve for x
    x = 14,703,743.54/3,376.50
  6. Step 6: Final answer
    x = 4,354.73

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.