Home / 2,768.24-4,151.52-1,305.92

Finding the Fourth Proportional to 2,768.24, 4,151.52 and 1,305.92

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Solution

The fourth proportional to 2,768.24, 4,151.52 and 1,305.92 is: 1,958.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,768.24 : 4,151.52 = 1,305.92 : x
  2. Step 2: Convert to fraction form
    2,768.24/4,151.52 = 1,305.92/x
  3. Step 3: Cross multiply
    2,768.24x = 4,151.52 × 1,305.92
  4. Step 4: Simplify right side
    2,768.24x = 5,421,553.00
  5. Step 5: Solve for x
    x = 5,421,553.00/2,768.24
  6. Step 6: Final answer
    x = 1,958.48

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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.