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Finding the Fourth Proportional to 1,940.86, 2,905.80 and 1,744.03

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Solution

The fourth proportional to 1,940.86, 2,905.80 and 1,744.03 is: 2,611.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,940.86 : 2,905.80 = 1,744.03 : x
  2. Step 2: Convert to fraction form
    1,940.86/2,905.80 = 1,744.03/x
  3. Step 3: Cross multiply
    1,940.86x = 2,905.80 × 1,744.03
  4. Step 4: Simplify right side
    1,940.86x = 5,067,802.37
  5. Step 5: Solve for x
    x = 5,067,802.37/1,940.86
  6. Step 6: Final answer
    x = 2,611.11

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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.