Home / 3,679.29-5,076.61-2,685.11

Finding the Fourth Proportional to 3,679.29, 5,076.61 and 2,685.11

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Solution

The fourth proportional to 3,679.29, 5,076.61 and 2,685.11 is: 3,704.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,679.29 : 5,076.61 = 2,685.11 : x
  2. Step 2: Convert to fraction form
    3,679.29/5,076.61 = 2,685.11/x
  3. Step 3: Cross multiply
    3,679.29x = 5,076.61 × 2,685.11
  4. Step 4: Simplify right side
    3,679.29x = 13,631,256.28
  5. Step 5: Solve for x
    x = 13,631,256.28/3,679.29
  6. Step 6: Final answer
    x = 3,704.86

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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.