Home / 3,828.79-5,744.94-2,271.88

Finding the Fourth Proportional to 3,828.79, 5,744.94 and 2,271.88

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Solution

The fourth proportional to 3,828.79, 5,744.94 and 2,271.88 is: 3,408.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,828.79 : 5,744.94 = 2,271.88 : x
  2. Step 2: Convert to fraction form
    3,828.79/5,744.94 = 2,271.88/x
  3. Step 3: Cross multiply
    3,828.79x = 5,744.94 × 2,271.88
  4. Step 4: Simplify right side
    3,828.79x = 13,051,814.29
  5. Step 5: Solve for x
    x = 13,051,814.29/3,828.79
  6. Step 6: Final answer
    x = 3,408.86

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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.