Home / 2,776.92-4,163.33-1,314.36

Finding the Fourth Proportional to 2,776.92, 4,163.33 and 1,314.36

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Solution

The fourth proportional to 2,776.92, 4,163.33 and 1,314.36 is: 1,970.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,776.92 : 4,163.33 = 1,314.36 : x
  2. Step 2: Convert to fraction form
    2,776.92/4,163.33 = 1,314.36/x
  3. Step 3: Cross multiply
    2,776.92x = 4,163.33 × 1,314.36
  4. Step 4: Simplify right side
    2,776.92x = 5,472,107.85
  5. Step 5: Solve for x
    x = 5,472,107.85/2,776.92
  6. Step 6: Final answer
    x = 1,970.57

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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.