Home / 3,785.46-5,672.10-2,137.11

Finding the Fourth Proportional to 3,785.46, 5,672.10 and 2,137.11

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Solution

The fourth proportional to 3,785.46, 5,672.10 and 2,137.11 is: 3,202.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,785.46 : 5,672.10 = 2,137.11 : x
  2. Step 2: Convert to fraction form
    3,785.46/5,672.10 = 2,137.11/x
  3. Step 3: Cross multiply
    3,785.46x = 5,672.10 × 2,137.11
  4. Step 4: Simplify right side
    3,785.46x = 12,121,901.63
  5. Step 5: Solve for x
    x = 12,121,901.63/3,785.46
  6. Step 6: Final answer
    x = 3,202.23

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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.