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Finding the Fourth Proportional to 3,310.65, 4,966.52 and 1,119.51

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Solution

The fourth proportional to 3,310.65, 4,966.52 and 1,119.51 is: 1,679.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,310.65 : 4,966.52 = 1,119.51 : x
  2. Step 2: Convert to fraction form
    3,310.65/4,966.52 = 1,119.51/x
  3. Step 3: Cross multiply
    3,310.65x = 4,966.52 × 1,119.51
  4. Step 4: Simplify right side
    3,310.65x = 5,560,063.21
  5. Step 5: Solve for x
    x = 5,560,063.21/3,310.65
  6. Step 6: Final answer
    x = 1,679.45

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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.