Home / 3,311.76-4,966.55-1,336.88

Finding the Fourth Proportional to 3,311.76, 4,966.55 and 1,336.88

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Solution

The fourth proportional to 3,311.76, 4,966.55 and 1,336.88 is: 2,004.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,311.76 : 4,966.55 = 1,336.88 : x
  2. Step 2: Convert to fraction form
    3,311.76/4,966.55 = 1,336.88/x
  3. Step 3: Cross multiply
    3,311.76x = 4,966.55 × 1,336.88
  4. Step 4: Simplify right side
    3,311.76x = 6,639,692.11
  5. Step 5: Solve for x
    x = 6,639,692.11/3,311.76
  6. Step 6: Final answer
    x = 2,004.88

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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.