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Finding the Fourth Proportional to 3,263.64, 4,884.12 and 2,671.80

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Solution

The fourth proportional to 3,263.64, 4,884.12 and 2,671.80 is: 3,998.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,263.64 : 4,884.12 = 2,671.80 : x
  2. Step 2: Convert to fraction form
    3,263.64/4,884.12 = 2,671.80/x
  3. Step 3: Cross multiply
    3,263.64x = 4,884.12 × 2,671.80
  4. Step 4: Simplify right side
    3,263.64x = 13,049,391.82
  5. Step 5: Solve for x
    x = 13,049,391.82/3,263.64
  6. Step 6: Final answer
    x = 3,998.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.