Home / 3,125.03-4,685.43-1,481.75

Finding the Fourth Proportional to 3,125.03, 4,685.43 and 1,481.75

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Solution

The fourth proportional to 3,125.03, 4,685.43 and 1,481.75 is: 2,221.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,125.03 : 4,685.43 = 1,481.75 : x
  2. Step 2: Convert to fraction form
    3,125.03/4,685.43 = 1,481.75/x
  3. Step 3: Cross multiply
    3,125.03x = 4,685.43 × 1,481.75
  4. Step 4: Simplify right side
    3,125.03x = 6,942,635.90
  5. Step 5: Solve for x
    x = 6,942,635.90/3,125.03
  6. Step 6: Final answer
    x = 2,221.62

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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.