Home / 1,996.22-2,753.38-1,365.64

Finding the Fourth Proportional to 1,996.22, 2,753.38 and 1,365.64

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Solution

The fourth proportional to 1,996.22, 2,753.38 and 1,365.64 is: 1,883.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,996.22 : 2,753.38 = 1,365.64 : x
  2. Step 2: Convert to fraction form
    1,996.22/2,753.38 = 1,365.64/x
  3. Step 3: Cross multiply
    1,996.22x = 2,753.38 × 1,365.64
  4. Step 4: Simplify right side
    1,996.22x = 3,760,125.86
  5. Step 5: Solve for x
    x = 3,760,125.86/1,996.22
  6. Step 6: Final answer
    x = 1,883.62

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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.