Home / 4,081.17-6,121.76-1,889.31

Finding the Fourth Proportional to 4,081.17, 6,121.76 and 1,889.31

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Solution

The fourth proportional to 4,081.17, 6,121.76 and 1,889.31 is: 2,833.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,081.17 : 6,121.76 = 1,889.31 : x
  2. Step 2: Convert to fraction form
    4,081.17/6,121.76 = 1,889.31/x
  3. Step 3: Cross multiply
    4,081.17x = 6,121.76 × 1,889.31
  4. Step 4: Simplify right side
    4,081.17x = 11,565,902.39
  5. Step 5: Solve for x
    x = 11,565,902.39/4,081.17
  6. Step 6: Final answer
    x = 2,833.97

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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.