Home / 2,766.78-4,148.73-1,305.54

Finding the Fourth Proportional to 2,766.78, 4,148.73 and 1,305.54

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Solution

The fourth proportional to 2,766.78, 4,148.73 and 1,305.54 is: 1,957.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,766.78 : 4,148.73 = 1,305.54 : x
  2. Step 2: Convert to fraction form
    2,766.78/4,148.73 = 1,305.54/x
  3. Step 3: Cross multiply
    2,766.78x = 4,148.73 × 1,305.54
  4. Step 4: Simplify right side
    2,766.78x = 5,416,332.96
  5. Step 5: Solve for x
    x = 5,416,332.96/2,766.78
  6. Step 6: Final answer
    x = 1,957.63

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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.