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Finding the Fourth Proportional to 3,592.26, 5,388.38 and 995.18

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Solution

The fourth proportional to 3,592.26, 5,388.38 and 995.18 is: 1,492.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,592.26 : 5,388.38 = 995.18 : x
  2. Step 2: Convert to fraction form
    3,592.26/5,388.38 = 995.18/x
  3. Step 3: Cross multiply
    3,592.26x = 5,388.38 × 995.18
  4. Step 4: Simplify right side
    3,592.26x = 5,362,408.01
  5. Step 5: Solve for x
    x = 5,362,408.01/3,592.26
  6. Step 6: Final answer
    x = 1,492.77

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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.