Home / 2,997.12-4,135.89-1,670.97

Finding the Fourth Proportional to 2,997.12, 4,135.89 and 1,670.97

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Solution

The fourth proportional to 2,997.12, 4,135.89 and 1,670.97 is: 2,305.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,997.12 : 4,135.89 = 1,670.97 : x
  2. Step 2: Convert to fraction form
    2,997.12/4,135.89 = 1,670.97/x
  3. Step 3: Cross multiply
    2,997.12x = 4,135.89 × 1,670.97
  4. Step 4: Simplify right side
    2,997.12x = 6,910,948.11
  5. Step 5: Solve for x
    x = 6,910,948.11/2,997.12
  6. Step 6: Final answer
    x = 2,305.86

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.