Home / 2,236.50-3,086.55-1,305.18

Finding the Fourth Proportional to 2,236.50, 3,086.55 and 1,305.18

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Solution

The fourth proportional to 2,236.50, 3,086.55 and 1,305.18 is: 1,801.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,236.50 : 3,086.55 = 1,305.18 : x
  2. Step 2: Convert to fraction form
    2,236.50/3,086.55 = 1,305.18/x
  3. Step 3: Cross multiply
    2,236.50x = 3,086.55 × 1,305.18
  4. Step 4: Simplify right side
    2,236.50x = 4,028,503.33
  5. Step 5: Solve for x
    x = 4,028,503.33/2,236.50
  6. Step 6: Final answer
    x = 1,801.25

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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.