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Finding the Fourth Proportional to 4,272.88, 5,895.12 and 2,480.56

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Solution

The fourth proportional to 4,272.88, 5,895.12 and 2,480.56 is: 3,422.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,272.88 : 5,895.12 = 2,480.56 : x
  2. Step 2: Convert to fraction form
    4,272.88/5,895.12 = 2,480.56/x
  3. Step 3: Cross multiply
    4,272.88x = 5,895.12 × 2,480.56
  4. Step 4: Simplify right side
    4,272.88x = 14,623,198.87
  5. Step 5: Solve for x
    x = 14,623,198.87/4,272.88
  6. Step 6: Final answer
    x = 3,422.33

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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.