Home / 3,766.92-5,192.88-2,644.32

Finding the Fourth Proportional to 3,766.92, 5,192.88 and 2,644.32

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Solution

The fourth proportional to 3,766.92, 5,192.88 and 2,644.32 is: 3,645.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,766.92 : 5,192.88 = 2,644.32 : x
  2. Step 2: Convert to fraction form
    3,766.92/5,192.88 = 2,644.32/x
  3. Step 3: Cross multiply
    3,766.92x = 5,192.88 × 2,644.32
  4. Step 4: Simplify right side
    3,766.92x = 13,731,636.44
  5. Step 5: Solve for x
    x = 13,731,636.44/3,766.92
  6. Step 6: Final answer
    x = 3,645.32

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Double scale
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Similar ratio
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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.