Home / 4,121.31-6,181.16-1,654.86

Finding the Fourth Proportional to 4,121.31, 6,181.16 and 1,654.86

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Solution

The fourth proportional to 4,121.31, 6,181.16 and 1,654.86 is: 2,481.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,121.31 : 6,181.16 = 1,654.86 : x
  2. Step 2: Convert to fraction form
    4,121.31/6,181.16 = 1,654.86/x
  3. Step 3: Cross multiply
    4,121.31x = 6,181.16 × 1,654.86
  4. Step 4: Simplify right side
    4,121.31x = 10,228,946.16
  5. Step 5: Solve for x
    x = 10,228,946.16/4,121.31
  6. Step 6: Final answer
    x = 2,481.96

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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.