Home / 3,631.75-5,011.82-1,975.75

Finding the Fourth Proportional to 3,631.75, 5,011.82 and 1,975.75

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Solution

The fourth proportional to 3,631.75, 5,011.82 and 1,975.75 is: 2,726.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,631.75 : 5,011.82 = 1,975.75 : x
  2. Step 2: Convert to fraction form
    3,631.75/5,011.82 = 1,975.75/x
  3. Step 3: Cross multiply
    3,631.75x = 5,011.82 × 1,975.75
  4. Step 4: Simplify right side
    3,631.75x = 9,902,093.49
  5. Step 5: Solve for x
    x = 9,902,093.49/3,631.75
  6. Step 6: Final answer
    x = 2,726.54

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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.