Home / 3,446.25-5,165.72-1,691.79

Finding the Fourth Proportional to 3,446.25, 5,165.72 and 1,691.79

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Solution

The fourth proportional to 3,446.25, 5,165.72 and 1,691.79 is: 2,535.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,446.25 : 5,165.72 = 1,691.79 : x
  2. Step 2: Convert to fraction form
    3,446.25/5,165.72 = 1,691.79/x
  3. Step 3: Cross multiply
    3,446.25x = 5,165.72 × 1,691.79
  4. Step 4: Simplify right side
    3,446.25x = 8,739,313.44
  5. Step 5: Solve for x
    x = 8,739,313.44/3,446.25
  6. Step 6: Final answer
    x = 2,535.89

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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.