Home / 3,311.88-4,966.39-1,363.02

Finding the Fourth Proportional to 3,311.88, 4,966.39 and 1,363.02

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Solution

The fourth proportional to 3,311.88, 4,966.39 and 1,363.02 is: 2,043.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,311.88 : 4,966.39 = 1,363.02 : x
  2. Step 2: Convert to fraction form
    3,311.88/4,966.39 = 1,363.02/x
  3. Step 3: Cross multiply
    3,311.88x = 4,966.39 × 1,363.02
  4. Step 4: Simplify right side
    3,311.88x = 6,769,288.90
  5. Step 5: Solve for x
    x = 6,769,288.90/3,311.88
  6. Step 6: Final answer
    x = 2,043.94

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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.