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Finding the Fourth Proportional to 1,968.54, 2,954.62 and 995.32

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Solution

The fourth proportional to 1,968.54, 2,954.62 and 995.32 is: 1,493.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,968.54 : 2,954.62 = 995.32 : x
  2. Step 2: Convert to fraction form
    1,968.54/2,954.62 = 995.32/x
  3. Step 3: Cross multiply
    1,968.54x = 2,954.62 × 995.32
  4. Step 4: Simplify right side
    1,968.54x = 2,940,792.38
  5. Step 5: Solve for x
    x = 2,940,792.38/1,968.54
  6. Step 6: Final answer
    x = 1,493.90

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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.