Home / 1,768.81-2,441.22-1,273.09

Finding the Fourth Proportional to 1,768.81, 2,441.22 and 1,273.09

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Solution

The fourth proportional to 1,768.81, 2,441.22 and 1,273.09 is: 1,757.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,768.81 : 2,441.22 = 1,273.09 : x
  2. Step 2: Convert to fraction form
    1,768.81/2,441.22 = 1,273.09/x
  3. Step 3: Cross multiply
    1,768.81x = 2,441.22 × 1,273.09
  4. Step 4: Simplify right side
    1,768.81x = 3,107,880.56
  5. Step 5: Solve for x
    x = 3,107,880.56/1,768.81
  6. Step 6: Final answer
    x = 1,757.05

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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.