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Finding the Fourth Proportional to 3,601.25, 4,969.73 and 1,945.25

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Solution

The fourth proportional to 3,601.25, 4,969.73 and 1,945.25 is: 2,684.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,601.25 : 4,969.73 = 1,945.25 : x
  2. Step 2: Convert to fraction form
    3,601.25/4,969.73 = 1,945.25/x
  3. Step 3: Cross multiply
    3,601.25x = 4,969.73 × 1,945.25
  4. Step 4: Simplify right side
    3,601.25x = 9,667,357.56
  5. Step 5: Solve for x
    x = 9,667,357.56/3,601.25
  6. Step 6: Final answer
    x = 2,684.45

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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.