Home / 1,949.96-2,922.24-1,399.70

Finding the Fourth Proportional to 1,949.96, 2,922.24 and 1,399.70

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Solution

The fourth proportional to 1,949.96, 2,922.24 and 1,399.70 is: 2,097.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,949.96 : 2,922.24 = 1,399.70 : x
  2. Step 2: Convert to fraction form
    1,949.96/2,922.24 = 1,399.70/x
  3. Step 3: Cross multiply
    1,949.96x = 2,922.24 × 1,399.70
  4. Step 4: Simplify right side
    1,949.96x = 4,090,259.33
  5. Step 5: Solve for x
    x = 4,090,259.33/1,949.96
  6. Step 6: Final answer
    x = 2,097.61

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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.