Home / 1,993.27-2,749.16-1,769.44

Finding the Fourth Proportional to 1,993.27, 2,749.16 and 1,769.44

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Solution

The fourth proportional to 1,993.27, 2,749.16 and 1,769.44 is: 2,440.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,993.27 : 2,749.16 = 1,769.44 : x
  2. Step 2: Convert to fraction form
    1,993.27/2,749.16 = 1,769.44/x
  3. Step 3: Cross multiply
    1,993.27x = 2,749.16 × 1,769.44
  4. Step 4: Simplify right side
    1,993.27x = 4,864,464.59
  5. Step 5: Solve for x
    x = 4,864,464.59/1,993.27
  6. Step 6: Final answer
    x = 2,440.45

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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.