Home / 1,944.19-2,683.89-1,245.97

Finding the Fourth Proportional to 1,944.19, 2,683.89 and 1,245.97

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Solution

The fourth proportional to 1,944.19, 2,683.89 and 1,245.97 is: 1,720.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,944.19 : 2,683.89 = 1,245.97 : x
  2. Step 2: Convert to fraction form
    1,944.19/2,683.89 = 1,245.97/x
  3. Step 3: Cross multiply
    1,944.19x = 2,683.89 × 1,245.97
  4. Step 4: Simplify right side
    1,944.19x = 3,344,026.77
  5. Step 5: Solve for x
    x = 3,344,026.77/1,944.19
  6. Step 6: Final answer
    x = 1,720.01

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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.