Home / 1,396.37-2,092.43-932.45

Finding the Fourth Proportional to 1,396.37, 2,092.43 and 932.45

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Solution

The fourth proportional to 1,396.37, 2,092.43 and 932.45 is: 1,397.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,396.37 : 2,092.43 = 932.45 : x
  2. Step 2: Convert to fraction form
    1,396.37/2,092.43 = 932.45/x
  3. Step 3: Cross multiply
    1,396.37x = 2,092.43 × 932.45
  4. Step 4: Simplify right side
    1,396.37x = 1,951,078.22
  5. Step 5: Solve for x
    x = 1,951,078.22/1,396.37
  6. Step 6: Final answer
    x = 1,397.25

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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.