Home / 3,167.58-4,751.97-1,317.69

Finding the Fourth Proportional to 3,167.58, 4,751.97 and 1,317.69

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Solution

The fourth proportional to 3,167.58, 4,751.97 and 1,317.69 is: 1,976.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,167.58 : 4,751.97 = 1,317.69 : x
  2. Step 2: Convert to fraction form
    3,167.58/4,751.97 = 1,317.69/x
  3. Step 3: Cross multiply
    3,167.58x = 4,751.97 × 1,317.69
  4. Step 4: Simplify right side
    3,167.58x = 6,261,623.35
  5. Step 5: Solve for x
    x = 6,261,623.35/3,167.58
  6. Step 6: Final answer
    x = 1,976.78

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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.