Home / 2,116.91-3,175.37-1,144.91

Finding the Fourth Proportional to 2,116.91, 3,175.37 and 1,144.91

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Solution

The fourth proportional to 2,116.91, 3,175.37 and 1,144.91 is: 1,717.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,116.91 : 3,175.37 = 1,144.91 : x
  2. Step 2: Convert to fraction form
    2,116.91/3,175.37 = 1,144.91/x
  3. Step 3: Cross multiply
    2,116.91x = 3,175.37 × 1,144.91
  4. Step 4: Simplify right side
    2,116.91x = 3,635,512.87
  5. Step 5: Solve for x
    x = 3,635,512.87/2,116.91
  6. Step 6: Final answer
    x = 1,717.37

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1.5x scale

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.