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Finding the Fourth Proportional to 3,243.36, 4,865.04 and 2,591.04

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Solution

The fourth proportional to 3,243.36, 4,865.04 and 2,591.04 is: 3,886.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,243.36 : 4,865.04 = 2,591.04 : x
  2. Step 2: Convert to fraction form
    3,243.36/4,865.04 = 2,591.04/x
  3. Step 3: Cross multiply
    3,243.36x = 4,865.04 × 2,591.04
  4. Step 4: Simplify right side
    3,243.36x = 12,605,513.24
  5. Step 5: Solve for x
    x = 12,605,513.24/3,243.36
  6. Step 6: Final answer
    x = 3,886.56

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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.