Home / 1,940.24-2,910.04-1,613.28

Finding the Fourth Proportional to 1,940.24, 2,910.04 and 1,613.28

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Solution

The fourth proportional to 1,940.24, 2,910.04 and 1,613.28 is: 2,419.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,940.24 : 2,910.04 = 1,613.28 : x
  2. Step 2: Convert to fraction form
    1,940.24/2,910.04 = 1,613.28/x
  3. Step 3: Cross multiply
    1,940.24x = 2,910.04 × 1,613.28
  4. Step 4: Simplify right side
    1,940.24x = 4,694,709.33
  5. Step 5: Solve for x
    x = 4,694,709.33/1,940.24
  6. Step 6: Final answer
    x = 2,419.65

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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.