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Finding the Fourth Proportional to 3,310.98, 4,966.96 and 1,119.12

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Solution

The fourth proportional to 3,310.98, 4,966.96 and 1,119.12 is: 1,678.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,310.98 : 4,966.96 = 1,119.12 : x
  2. Step 2: Convert to fraction form
    3,310.98/4,966.96 = 1,119.12/x
  3. Step 3: Cross multiply
    3,310.98x = 4,966.96 × 1,119.12
  4. Step 4: Simplify right side
    3,310.98x = 5,558,624.28
  5. Step 5: Solve for x
    x = 5,558,624.28/3,310.98
  6. Step 6: Final answer
    x = 1,678.85

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1.5x scale

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.