Home / 2,093.41-3,140.07-1,121.41

Finding the Fourth Proportional to 2,093.41, 3,140.07 and 1,121.41

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Solution

The fourth proportional to 2,093.41, 3,140.07 and 1,121.41 is: 1,682.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,093.41 : 3,140.07 = 1,121.41 : x
  2. Step 2: Convert to fraction form
    2,093.41/3,140.07 = 1,121.41/x
  3. Step 3: Cross multiply
    2,093.41x = 3,140.07 × 1,121.41
  4. Step 4: Simplify right side
    2,093.41x = 3,521,305.90
  5. Step 5: Solve for x
    x = 3,521,305.90/2,093.41
  6. Step 6: Final answer
    x = 1,682.09

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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.