Home / 3,141.25-4,716.50-1,757.30

Finding the Fourth Proportional to 3,141.25, 4,716.50 and 1,757.30

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Solution

The fourth proportional to 3,141.25, 4,716.50 and 1,757.30 is: 2,638.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,141.25 : 4,716.50 = 1,757.30 : x
  2. Step 2: Convert to fraction form
    3,141.25/4,716.50 = 1,757.30/x
  3. Step 3: Cross multiply
    3,141.25x = 4,716.50 × 1,757.30
  4. Step 4: Simplify right side
    3,141.25x = 8,288,273.08
  5. Step 5: Solve for x
    x = 8,288,273.08/3,141.25
  6. Step 6: Final answer
    x = 2,638.53

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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.