Home / 1,906.33-2,630.91-1,160.11

Finding the Fourth Proportional to 1,906.33, 2,630.91 and 1,160.11

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Solution

The fourth proportional to 1,906.33, 2,630.91 and 1,160.11 is: 1,601.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,906.33 : 2,630.91 = 1,160.11 : x
  2. Step 2: Convert to fraction form
    1,906.33/2,630.91 = 1,160.11/x
  3. Step 3: Cross multiply
    1,906.33x = 2,630.91 × 1,160.11
  4. Step 4: Simplify right side
    1,906.33x = 3,052,145.00
  5. Step 5: Solve for x
    x = 3,052,145.00/1,906.33
  6. Step 6: Final answer
    x = 1,601.06

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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.