Home / 3,155.92-4,733.27-1,207.66

Finding the Fourth Proportional to 3,155.92, 4,733.27 and 1,207.66

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Solution

The fourth proportional to 3,155.92, 4,733.27 and 1,207.66 is: 1,811.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,155.92 : 4,733.27 = 1,207.66 : x
  2. Step 2: Convert to fraction form
    3,155.92/4,733.27 = 1,207.66/x
  3. Step 3: Cross multiply
    3,155.92x = 4,733.27 × 1,207.66
  4. Step 4: Simplify right side
    3,155.92x = 5,716,180.85
  5. Step 5: Solve for x
    x = 5,716,180.85/3,155.92
  6. Step 6: Final answer
    x = 1,811.26

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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.