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Finding the Fourth Proportional to 3,592.26, 5,388.24 and 995.13

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Solution

The fourth proportional to 3,592.26, 5,388.24 and 995.13 is: 1,492.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,592.26 : 5,388.24 = 995.13 : x
  2. Step 2: Convert to fraction form
    3,592.26/5,388.24 = 995.13/x
  3. Step 3: Cross multiply
    3,592.26x = 5,388.24 × 995.13
  4. Step 4: Simplify right side
    3,592.26x = 5,361,999.27
  5. Step 5: Solve for x
    x = 5,361,999.27/3,592.26
  6. Step 6: Final answer
    x = 1,492.65

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Half scale
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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.