Home / 2,193.81-3,027.46-1,236.64

Finding the Fourth Proportional to 2,193.81, 3,027.46 and 1,236.64

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Solution

The fourth proportional to 2,193.81, 3,027.46 and 1,236.64 is: 1,706.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,193.81 : 3,027.46 = 1,236.64 : x
  2. Step 2: Convert to fraction form
    2,193.81/3,027.46 = 1,236.64/x
  3. Step 3: Cross multiply
    2,193.81x = 3,027.46 × 1,236.64
  4. Step 4: Simplify right side
    2,193.81x = 3,743,871.95
  5. Step 5: Solve for x
    x = 3,743,871.95/2,193.81
  6. Step 6: Final answer
    x = 1,706.56

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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.