Home / 3,022.90-4,163.80-2,137.17

Finding the Fourth Proportional to 3,022.90, 4,163.80 and 2,137.17

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Solution

The fourth proportional to 3,022.90, 4,163.80 and 2,137.17 is: 2,943.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,022.90 : 4,163.80 = 2,137.17 : x
  2. Step 2: Convert to fraction form
    3,022.90/4,163.80 = 2,137.17/x
  3. Step 3: Cross multiply
    3,022.90x = 4,163.80 × 2,137.17
  4. Step 4: Simplify right side
    3,022.90x = 8,898,748.45
  5. Step 5: Solve for x
    x = 8,898,748.45/3,022.90
  6. Step 6: Final answer
    x = 2,943.78

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1.5x scale

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.