Home / 3,127.08-4,687.03-1,481.29

Finding the Fourth Proportional to 3,127.08, 4,687.03 and 1,481.29

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Solution

The fourth proportional to 3,127.08, 4,687.03 and 1,481.29 is: 2,220.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,127.08 : 4,687.03 = 1,481.29 : x
  2. Step 2: Convert to fraction form
    3,127.08/4,687.03 = 1,481.29/x
  3. Step 3: Cross multiply
    3,127.08x = 4,687.03 × 1,481.29
  4. Step 4: Simplify right side
    3,127.08x = 6,942,850.67
  5. Step 5: Solve for x
    x = 6,942,850.67/3,127.08
  6. Step 6: Final answer
    x = 2,220.23

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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.