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Finding the Fourth Proportional to 3,429.96, 5,144.88 and 832.89

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Solution

The fourth proportional to 3,429.96, 5,144.88 and 832.89 is: 1,249.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,429.96 : 5,144.88 = 832.89 : x
  2. Step 2: Convert to fraction form
    3,429.96/5,144.88 = 832.89/x
  3. Step 3: Cross multiply
    3,429.96x = 5,144.88 × 832.89
  4. Step 4: Simplify right side
    3,429.96x = 4,285,119.10
  5. Step 5: Solve for x
    x = 4,285,119.10/3,429.96
  6. Step 6: Final answer
    x = 1,249.32

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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.