Home / 1,906.30-2,851.54-1,789.66

Finding the Fourth Proportional to 1,906.30, 2,851.54 and 1,789.66

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Solution

The fourth proportional to 1,906.30, 2,851.54 and 1,789.66 is: 2,677.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,906.30 : 2,851.54 = 1,789.66 : x
  2. Step 2: Convert to fraction form
    1,906.30/2,851.54 = 1,789.66/x
  3. Step 3: Cross multiply
    1,906.30x = 2,851.54 × 1,789.66
  4. Step 4: Simplify right side
    1,906.30x = 5,103,287.08
  5. Step 5: Solve for x
    x = 5,103,287.08/1,906.30
  6. Step 6: Final answer
    x = 2,677.06

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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.