Home / 3,412.66-5,118.97-2,949.03

Finding the Fourth Proportional to 3,412.66, 5,118.97 and 2,949.03

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Solution

The fourth proportional to 3,412.66, 5,118.97 and 2,949.03 is: 4,423.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,412.66 : 5,118.97 = 2,949.03 : x
  2. Step 2: Convert to fraction form
    3,412.66/5,118.97 = 2,949.03/x
  3. Step 3: Cross multiply
    3,412.66x = 5,118.97 × 2,949.03
  4. Step 4: Simplify right side
    3,412.66x = 15,095,996.10
  5. Step 5: Solve for x
    x = 15,095,996.10/3,412.66
  6. Step 6: Final answer
    x = 4,423.53

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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.