Home / 3,923.09-5,414.01-2,350.88

Finding the Fourth Proportional to 3,923.09, 5,414.01 and 2,350.88

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Solution

The fourth proportional to 3,923.09, 5,414.01 and 2,350.88 is: 3,244.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,923.09 : 5,414.01 = 2,350.88 : x
  2. Step 2: Convert to fraction form
    3,923.09/5,414.01 = 2,350.88/x
  3. Step 3: Cross multiply
    3,923.09x = 5,414.01 × 2,350.88
  4. Step 4: Simplify right side
    3,923.09x = 12,727,687.83
  5. Step 5: Solve for x
    x = 12,727,687.83/3,923.09
  6. Step 6: Final answer
    x = 3,244.30

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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.