Home / 1,695.43-2,540.05-1,173.97

Finding the Fourth Proportional to 1,695.43, 2,540.05 and 1,173.97

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Solution

The fourth proportional to 1,695.43, 2,540.05 and 1,173.97 is: 1,758.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,695.43 : 2,540.05 = 1,173.97 : x
  2. Step 2: Convert to fraction form
    1,695.43/2,540.05 = 1,173.97/x
  3. Step 3: Cross multiply
    1,695.43x = 2,540.05 × 1,173.97
  4. Step 4: Simplify right side
    1,695.43x = 2,981,942.50
  5. Step 5: Solve for x
    x = 2,981,942.50/1,695.43
  6. Step 6: Final answer
    x = 1,758.81

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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.