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Finding the Fourth Proportional to 3,561.63, 5,336.63 and 2,175.92

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Solution

The fourth proportional to 3,561.63, 5,336.63 and 2,175.92 is: 3,260.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,561.63 : 5,336.63 = 2,175.92 : x
  2. Step 2: Convert to fraction form
    3,561.63/5,336.63 = 2,175.92/x
  3. Step 3: Cross multiply
    3,561.63x = 5,336.63 × 2,175.92
  4. Step 4: Simplify right side
    3,561.63x = 11,612,079.95
  5. Step 5: Solve for x
    x = 11,612,079.95/3,561.63
  6. Step 6: Final answer
    x = 3,260.33

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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.