Home / 2,236.72-3,086.24-1,305.04

Finding the Fourth Proportional to 2,236.72, 3,086.24 and 1,305.04

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Solution

The fourth proportional to 2,236.72, 3,086.24 and 1,305.04 is: 1,800.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,236.72 : 3,086.24 = 1,305.04 : x
  2. Step 2: Convert to fraction form
    2,236.72/3,086.24 = 1,305.04/x
  3. Step 3: Cross multiply
    2,236.72x = 3,086.24 × 1,305.04
  4. Step 4: Simplify right side
    2,236.72x = 4,027,666.65
  5. Step 5: Solve for x
    x = 4,027,666.65/2,236.72
  6. Step 6: Final answer
    x = 1,800.70

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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.