Home / 3,446.38-5,169.57-2,686.06

Finding the Fourth Proportional to 3,446.38, 5,169.57 and 2,686.06

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Solution

The fourth proportional to 3,446.38, 5,169.57 and 2,686.06 is: 4,029.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,446.38 : 5,169.57 = 2,686.06 : x
  2. Step 2: Convert to fraction form
    3,446.38/5,169.57 = 2,686.06/x
  3. Step 3: Cross multiply
    3,446.38x = 5,169.57 × 2,686.06
  4. Step 4: Simplify right side
    3,446.38x = 13,885,775.19
  5. Step 5: Solve for x
    x = 13,885,775.19/3,446.38
  6. Step 6: Final answer
    x = 4,029.09

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Similar ratio
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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.