Home / 1,944.78-2,685.03-1,199.43

Finding the Fourth Proportional to 1,944.78, 2,685.03 and 1,199.43

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Solution

The fourth proportional to 1,944.78, 2,685.03 and 1,199.43 is: 1,655.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,944.78 : 2,685.03 = 1,199.43 : x
  2. Step 2: Convert to fraction form
    1,944.78/2,685.03 = 1,199.43/x
  3. Step 3: Cross multiply
    1,944.78x = 2,685.03 × 1,199.43
  4. Step 4: Simplify right side
    1,944.78x = 3,220,505.53
  5. Step 5: Solve for x
    x = 3,220,505.53/1,944.78
  6. Step 6: Final answer
    x = 1,655.97

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.