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Finding the Fourth Proportional to 2,919.62, 4,028.03 and 2,247.63

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Solution

The fourth proportional to 2,919.62, 4,028.03 and 2,247.63 is: 3,100.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,919.62 : 4,028.03 = 2,247.63 : x
  2. Step 2: Convert to fraction form
    2,919.62/4,028.03 = 2,247.63/x
  3. Step 3: Cross multiply
    2,919.62x = 4,028.03 × 2,247.63
  4. Step 4: Simplify right side
    2,919.62x = 9,053,525.52
  5. Step 5: Solve for x
    x = 9,053,525.52/2,919.62
  6. Step 6: Final answer
    x = 3,100.92

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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.