Home / 1,940.27-2,910.40-1,160.49

Finding the Fourth Proportional to 1,940.27, 2,910.40 and 1,160.49

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Solution

The fourth proportional to 1,940.27, 2,910.40 and 1,160.49 is: 1,740.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,940.27 : 2,910.40 = 1,160.49 : x
  2. Step 2: Convert to fraction form
    1,940.27/2,910.40 = 1,160.49/x
  3. Step 3: Cross multiply
    1,940.27x = 2,910.40 × 1,160.49
  4. Step 4: Simplify right side
    1,940.27x = 3,377,490.10
  5. Step 5: Solve for x
    x = 3,377,490.10/1,940.27
  6. Step 6: Final answer
    x = 1,740.73

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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.