Home / 2,911.94-4,367.91-1,180.56

Finding the Fourth Proportional to 2,911.94, 4,367.91 and 1,180.56

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Solution

The fourth proportional to 2,911.94, 4,367.91 and 1,180.56 is: 1,770.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,911.94 : 4,367.91 = 1,180.56 : x
  2. Step 2: Convert to fraction form
    2,911.94/4,367.91 = 1,180.56/x
  3. Step 3: Cross multiply
    2,911.94x = 4,367.91 × 1,180.56
  4. Step 4: Simplify right side
    2,911.94x = 5,156,579.83
  5. Step 5: Solve for x
    x = 5,156,579.83/2,911.94
  6. Step 6: Final answer
    x = 1,770.84

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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.