Home / 3,849.64-5,774.46-1,252.78

Finding the Fourth Proportional to 3,849.64, 5,774.46 and 1,252.78

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Solution

The fourth proportional to 3,849.64, 5,774.46 and 1,252.78 is: 1,879.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,849.64 : 5,774.46 = 1,252.78 : x
  2. Step 2: Convert to fraction form
    3,849.64/5,774.46 = 1,252.78/x
  3. Step 3: Cross multiply
    3,849.64x = 5,774.46 × 1,252.78
  4. Step 4: Simplify right side
    3,849.64x = 7,234,128.00
  5. Step 5: Solve for x
    x = 7,234,128.00/3,849.64
  6. Step 6: Final answer
    x = 1,879.17

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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.