Home / 3,252.78-4,879.85-1,305.14

Finding the Fourth Proportional to 3,252.78, 4,879.85 and 1,305.14

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Solution

The fourth proportional to 3,252.78, 4,879.85 and 1,305.14 is: 1,957.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,252.78 : 4,879.85 = 1,305.14 : x
  2. Step 2: Convert to fraction form
    3,252.78/4,879.85 = 1,305.14/x
  3. Step 3: Cross multiply
    3,252.78x = 4,879.85 × 1,305.14
  4. Step 4: Simplify right side
    3,252.78x = 6,368,882.14
  5. Step 5: Solve for x
    x = 6,368,882.14/3,252.78
  6. Step 6: Final answer
    x = 1,957.98

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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.