Home / 4,174.31-6,262.64-2,091.80

Finding the Fourth Proportional to 4,174.31, 6,262.64 and 2,091.80

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Solution

The fourth proportional to 4,174.31, 6,262.64 and 2,091.80 is: 3,138.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,174.31 : 6,262.64 = 2,091.80 : x
  2. Step 2: Convert to fraction form
    4,174.31/6,262.64 = 2,091.80/x
  3. Step 3: Cross multiply
    4,174.31x = 6,262.64 × 2,091.80
  4. Step 4: Simplify right side
    4,174.31x = 13,100,190.35
  5. Step 5: Solve for x
    x = 13,100,190.35/4,174.31
  6. Step 6: Final answer
    x = 3,138.29

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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.