Home / 3,171.35-4,757.50-1,709.71

Finding the Fourth Proportional to 3,171.35, 4,757.50 and 1,709.71

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Solution

The fourth proportional to 3,171.35, 4,757.50 and 1,709.71 is: 2,564.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,171.35 : 4,757.50 = 1,709.71 : x
  2. Step 2: Convert to fraction form
    3,171.35/4,757.50 = 1,709.71/x
  3. Step 3: Cross multiply
    3,171.35x = 4,757.50 × 1,709.71
  4. Step 4: Simplify right side
    3,171.35x = 8,133,945.33
  5. Step 5: Solve for x
    x = 8,133,945.33/3,171.35
  6. Step 6: Final answer
    x = 2,564.82

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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.