Home / 2,911.16-4,366.98-1,179.56

Finding the Fourth Proportional to 2,911.16, 4,366.98 and 1,179.56

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Solution

The fourth proportional to 2,911.16, 4,366.98 and 1,179.56 is: 1,769.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,911.16 : 4,366.98 = 1,179.56 : x
  2. Step 2: Convert to fraction form
    2,911.16/4,366.98 = 1,179.56/x
  3. Step 3: Cross multiply
    2,911.16x = 4,366.98 × 1,179.56
  4. Step 4: Simplify right side
    2,911.16x = 5,151,114.93
  5. Step 5: Solve for x
    x = 5,151,114.93/2,911.16
  6. Step 6: Final answer
    x = 1,769.44

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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.