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Finding the Fourth Proportional to 3,855.36, 5,813.04 and 3,531.36

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Solution

The fourth proportional to 3,855.36, 5,813.04 and 3,531.36 is: 5,324.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,855.36 : 5,813.04 = 3,531.36 : x
  2. Step 2: Convert to fraction form
    3,855.36/5,813.04 = 3,531.36/x
  3. Step 3: Cross multiply
    3,855.36x = 5,813.04 × 3,531.36
  4. Step 4: Simplify right side
    3,855.36x = 20,527,936.93
  5. Step 5: Solve for x
    x = 20,527,936.93/3,855.36
  6. Step 6: Final answer
    x = 5,324.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.