Home / 4,121.22-6,180.31-2,888

Finding the Fourth Proportional to 4,121.22, 6,180.31 and 2,888

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Solution

The fourth proportional to 4,121.22, 6,180.31 and 2,888 is: 4,330.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,121.22 : 6,180.31 = 2,888 : x
  2. Step 2: Convert to fraction form
    4,121.22/6,180.31 = 2,888/x
  3. Step 3: Cross multiply
    4,121.22x = 6,180.31 × 2,888
  4. Step 4: Simplify right side
    4,121.22x = 17,848,735.28
  5. Step 5: Solve for x
    x = 17,848,735.28/4,121.22
  6. Step 6: Final answer
    x = 4,330.93

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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.