Home / 2,906.80-4,361.46-1,263.76

Finding the Fourth Proportional to 2,906.80, 4,361.46 and 1,263.76

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Solution

The fourth proportional to 2,906.80, 4,361.46 and 1,263.76 is: 1,896.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,906.80 : 4,361.46 = 1,263.76 : x
  2. Step 2: Convert to fraction form
    2,906.80/4,361.46 = 1,263.76/x
  3. Step 3: Cross multiply
    2,906.80x = 4,361.46 × 1,263.76
  4. Step 4: Simplify right side
    2,906.80x = 5,511,838.69
  5. Step 5: Solve for x
    x = 5,511,838.69/2,906.80
  6. Step 6: Final answer
    x = 1,896.19

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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.