Home / 3,951.40-5,453.01-2,183.08

Finding the Fourth Proportional to 3,951.40, 5,453.01 and 2,183.08

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Solution

The fourth proportional to 3,951.40, 5,453.01 and 2,183.08 is: 3,012.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,951.40 : 5,453.01 = 2,183.08 : x
  2. Step 2: Convert to fraction form
    3,951.40/5,453.01 = 2,183.08/x
  3. Step 3: Cross multiply
    3,951.40x = 5,453.01 × 2,183.08
  4. Step 4: Simplify right side
    3,951.40x = 11,904,357.07
  5. Step 5: Solve for x
    x = 11,904,357.07/3,951.40
  6. Step 6: Final answer
    x = 3,012.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.