Home / 3,429.54-5,144.90-1,348.45

Finding the Fourth Proportional to 3,429.54, 5,144.90 and 1,348.45

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Solution

The fourth proportional to 3,429.54, 5,144.90 and 1,348.45 is: 2,022.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,429.54 : 5,144.90 = 1,348.45 : x
  2. Step 2: Convert to fraction form
    3,429.54/5,144.90 = 1,348.45/x
  3. Step 3: Cross multiply
    3,429.54x = 5,144.90 × 1,348.45
  4. Step 4: Simplify right side
    3,429.54x = 6,937,620.80
  5. Step 5: Solve for x
    x = 6,937,620.80/3,429.54
  6. Step 6: Final answer
    x = 2,022.90

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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.