Home / 3,822.11-5,267.37-2,981.48

Finding the Fourth Proportional to 3,822.11, 5,267.37 and 2,981.48

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Solution

The fourth proportional to 3,822.11, 5,267.37 and 2,981.48 is: 4,108.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,822.11 : 5,267.37 = 2,981.48 : x
  2. Step 2: Convert to fraction form
    3,822.11/5,267.37 = 2,981.48/x
  3. Step 3: Cross multiply
    3,822.11x = 5,267.37 × 2,981.48
  4. Step 4: Simplify right side
    3,822.11x = 15,704,544.41
  5. Step 5: Solve for x
    x = 15,704,544.41/3,822.11
  6. Step 6: Final answer
    x = 4,108.87

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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.