Home / 3,429.81-5,144.62-1,348.32

Finding the Fourth Proportional to 3,429.81, 5,144.62 and 1,348.32

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Solution

The fourth proportional to 3,429.81, 5,144.62 and 1,348.32 is: 2,022.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,429.81 : 5,144.62 = 1,348.32 : x
  2. Step 2: Convert to fraction form
    3,429.81/5,144.62 = 1,348.32/x
  3. Step 3: Cross multiply
    3,429.81x = 5,144.62 × 1,348.32
  4. Step 4: Simplify right side
    3,429.81x = 6,936,571.38
  5. Step 5: Solve for x
    x = 6,936,571.38/3,429.81
  6. Step 6: Final answer
    x = 2,022.43

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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.