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Finding the Fourth Proportional to 3,012.68, 4,519.08 and 1,369.08

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Solution

The fourth proportional to 3,012.68, 4,519.08 and 1,369.08 is: 2,053.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,012.68 : 4,519.08 = 1,369.08 : x
  2. Step 2: Convert to fraction form
    3,012.68/4,519.08 = 1,369.08/x
  3. Step 3: Cross multiply
    3,012.68x = 4,519.08 × 1,369.08
  4. Step 4: Simplify right side
    3,012.68x = 6,186,982.05
  5. Step 5: Solve for x
    x = 6,186,982.05/3,012.68
  6. Step 6: Final answer
    x = 2,053.65

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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.