Home / 2,766.36-4,150.44-1,305.72

Finding the Fourth Proportional to 2,766.36, 4,150.44 and 1,305.72

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Solution

The fourth proportional to 2,766.36, 4,150.44 and 1,305.72 is: 1,959.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,766.36 : 4,150.44 = 1,305.72 : x
  2. Step 2: Convert to fraction form
    2,766.36/4,150.44 = 1,305.72/x
  3. Step 3: Cross multiply
    2,766.36x = 4,150.44 × 1,305.72
  4. Step 4: Simplify right side
    2,766.36x = 5,419,312.52
  5. Step 5: Solve for x
    x = 5,419,312.52/2,766.36
  6. Step 6: Final answer
    x = 1,959.00

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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.