Home / 3,822.98-5,277.20-3,717.65

Finding the Fourth Proportional to 3,822.98, 5,277.20 and 3,717.65

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Solution

The fourth proportional to 3,822.98, 5,277.20 and 3,717.65 is: 5,131.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,822.98 : 5,277.20 = 3,717.65 : x
  2. Step 2: Convert to fraction form
    3,822.98/5,277.20 = 3,717.65/x
  3. Step 3: Cross multiply
    3,822.98x = 5,277.20 × 3,717.65
  4. Step 4: Simplify right side
    3,822.98x = 19,618,777.18
  5. Step 5: Solve for x
    x = 19,618,777.18/3,822.98
  6. Step 6: Final answer
    x = 5,131.81

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.