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Finding the Fourth Proportional to 2,850.82, 3,919.03 and 2,451.01

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Solution

The fourth proportional to 2,850.82, 3,919.03 and 2,451.01 is: 3,369.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,850.82 : 3,919.03 = 2,451.01 : x
  2. Step 2: Convert to fraction form
    2,850.82/3,919.03 = 2,451.01/x
  3. Step 3: Cross multiply
    2,850.82x = 3,919.03 × 2,451.01
  4. Step 4: Simplify right side
    2,850.82x = 9,605,565.80
  5. Step 5: Solve for x
    x = 9,605,565.80/2,850.82
  6. Step 6: Final answer
    x = 3,369.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.