Home / 2,911.53-4,367.70-1,179.75

Finding the Fourth Proportional to 2,911.53, 4,367.70 and 1,179.75

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Solution

The fourth proportional to 2,911.53, 4,367.70 and 1,179.75 is: 1,769.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,911.53 : 4,367.70 = 1,179.75 : x
  2. Step 2: Convert to fraction form
    2,911.53/4,367.70 = 1,179.75/x
  3. Step 3: Cross multiply
    2,911.53x = 4,367.70 × 1,179.75
  4. Step 4: Simplify right side
    2,911.53x = 5,152,794.08
  5. Step 5: Solve for x
    x = 5,152,794.08/2,911.53
  6. Step 6: Final answer
    x = 1,769.79

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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.