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Finding the Fourth Proportional to 2,749.03, 3,791.94 and 1,804.87

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Solution

The fourth proportional to 2,749.03, 3,791.94 and 1,804.87 is: 2,489.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,749.03 : 3,791.94 = 1,804.87 : x
  2. Step 2: Convert to fraction form
    2,749.03/3,791.94 = 1,804.87/x
  3. Step 3: Cross multiply
    2,749.03x = 3,791.94 × 1,804.87
  4. Step 4: Simplify right side
    2,749.03x = 6,843,958.75
  5. Step 5: Solve for x
    x = 6,843,958.75/2,749.03
  6. Step 6: Final answer
    x = 2,489.59

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1.5x scale

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.