Home / 3,429.24-5,143.85-1,481.44

Finding the Fourth Proportional to 3,429.24, 5,143.85 and 1,481.44

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Solution

The fourth proportional to 3,429.24, 5,143.85 and 1,481.44 is: 2,222.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,429.24 : 5,143.85 = 1,481.44 : x
  2. Step 2: Convert to fraction form
    3,429.24/5,143.85 = 1,481.44/x
  3. Step 3: Cross multiply
    3,429.24x = 5,143.85 × 1,481.44
  4. Step 4: Simplify right side
    3,429.24x = 7,620,308.41
  5. Step 5: Solve for x
    x = 7,620,308.41/3,429.24
  6. Step 6: Final answer
    x = 2,222.16

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1.5x scale

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.