Home / 3,822.65-5,731.61-2,504.78

Finding the Fourth Proportional to 3,822.65, 5,731.61 and 2,504.78

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Solution

The fourth proportional to 3,822.65, 5,731.61 and 2,504.78 is: 3,755.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,822.65 : 5,731.61 = 2,504.78 : x
  2. Step 2: Convert to fraction form
    3,822.65/5,731.61 = 2,504.78/x
  3. Step 3: Cross multiply
    3,822.65x = 5,731.61 × 2,504.78
  4. Step 4: Simplify right side
    3,822.65x = 14,356,409.57
  5. Step 5: Solve for x
    x = 14,356,409.57/3,822.65
  6. Step 6: Final answer
    x = 3,755.62

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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.