Home / 3,110.20-4,662.84-2,133.40

Finding the Fourth Proportional to 3,110.20, 4,662.84 and 2,133.40

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Solution

The fourth proportional to 3,110.20, 4,662.84 and 2,133.40 is: 3,198.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,110.20 : 4,662.84 = 2,133.40 : x
  2. Step 2: Convert to fraction form
    3,110.20/4,662.84 = 2,133.40/x
  3. Step 3: Cross multiply
    3,110.20x = 4,662.84 × 2,133.40
  4. Step 4: Simplify right side
    3,110.20x = 9,947,702.86
  5. Step 5: Solve for x
    x = 9,947,702.86/3,110.20
  6. Step 6: Final answer
    x = 3,198.41

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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.