Home / 1,394.36-2,093.94-1,238.54

Finding the Fourth Proportional to 1,394.36, 2,093.94 and 1,238.54

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Solution

The fourth proportional to 1,394.36, 2,093.94 and 1,238.54 is: 1,859.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,394.36 : 2,093.94 = 1,238.54 : x
  2. Step 2: Convert to fraction form
    1,394.36/2,093.94 = 1,238.54/x
  3. Step 3: Cross multiply
    1,394.36x = 2,093.94 × 1,238.54
  4. Step 4: Simplify right side
    1,394.36x = 2,593,428.45
  5. Step 5: Solve for x
    x = 2,593,428.45/1,394.36
  6. Step 6: Final answer
    x = 1,859.94

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.