Home / 2,489.08-3,734.70-1,190.44

Finding the Fourth Proportional to 2,489.08, 3,734.70 and 1,190.44

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Solution

The fourth proportional to 2,489.08, 3,734.70 and 1,190.44 is: 1,786.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,489.08 : 3,734.70 = 1,190.44 : x
  2. Step 2: Convert to fraction form
    2,489.08/3,734.70 = 1,190.44/x
  3. Step 3: Cross multiply
    2,489.08x = 3,734.70 × 1,190.44
  4. Step 4: Simplify right side
    2,489.08x = 4,445,936.27
  5. Step 5: Solve for x
    x = 4,445,936.27/2,489.08
  6. Step 6: Final answer
    x = 1,786.18

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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.