Home / 3,886.75-5,828.06-2,849.29

Finding the Fourth Proportional to 3,886.75, 5,828.06 and 2,849.29

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Solution

The fourth proportional to 3,886.75, 5,828.06 and 2,849.29 is: 4,272.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,886.75 : 5,828.06 = 2,849.29 : x
  2. Step 2: Convert to fraction form
    3,886.75/5,828.06 = 2,849.29/x
  3. Step 3: Cross multiply
    3,886.75x = 5,828.06 × 2,849.29
  4. Step 4: Simplify right side
    3,886.75x = 16,605,825.63
  5. Step 5: Solve for x
    x = 16,605,825.63/3,886.75
  6. Step 6: Final answer
    x = 4,272.42

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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.