Home / 3,429.64-5,142.94-1,348.48

Finding the Fourth Proportional to 3,429.64, 5,142.94 and 1,348.48

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Solution

The fourth proportional to 3,429.64, 5,142.94 and 1,348.48 is: 2,022.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,429.64 : 5,142.94 = 1,348.48 : x
  2. Step 2: Convert to fraction form
    3,429.64/5,142.94 = 1,348.48/x
  3. Step 3: Cross multiply
    3,429.64x = 5,142.94 × 1,348.48
  4. Step 4: Simplify right side
    3,429.64x = 6,935,151.73
  5. Step 5: Solve for x
    x = 6,935,151.73/3,429.64
  6. Step 6: Final answer
    x = 2,022.12

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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.