Home / 3,429.13-5,143.66-963.94

Finding the Fourth Proportional to 3,429.13, 5,143.66 and 963.94

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Solution

The fourth proportional to 3,429.13, 5,143.66 and 963.94 is: 1,445.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,429.13 : 5,143.66 = 963.94 : x
  2. Step 2: Convert to fraction form
    3,429.13/5,143.66 = 963.94/x
  3. Step 3: Cross multiply
    3,429.13x = 5,143.66 × 963.94
  4. Step 4: Simplify right side
    3,429.13x = 4,958,179.62
  5. Step 5: Solve for x
    x = 4,958,179.62/3,429.13
  6. Step 6: Final answer
    x = 1,445.90

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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.