Home / 3,115.65-4,672.26-1,166.79

Finding the Fourth Proportional to 3,115.65, 4,672.26 and 1,166.79

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Solution

The fourth proportional to 3,115.65, 4,672.26 and 1,166.79 is: 1,749.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,115.65 : 4,672.26 = 1,166.79 : x
  2. Step 2: Convert to fraction form
    3,115.65/4,672.26 = 1,166.79/x
  3. Step 3: Cross multiply
    3,115.65x = 4,672.26 × 1,166.79
  4. Step 4: Simplify right side
    3,115.65x = 5,451,546.25
  5. Step 5: Solve for x
    x = 5,451,546.25/3,115.65
  6. Step 6: Final answer
    x = 1,749.73

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1.5x scale

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.