Home / 1,966.25-2,945.62-1,900.31

Finding the Fourth Proportional to 1,966.25, 2,945.62 and 1,900.31

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Solution

The fourth proportional to 1,966.25, 2,945.62 and 1,900.31 is: 2,846.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,966.25 : 2,945.62 = 1,900.31 : x
  2. Step 2: Convert to fraction form
    1,966.25/2,945.62 = 1,900.31/x
  3. Step 3: Cross multiply
    1,966.25x = 2,945.62 × 1,900.31
  4. Step 4: Simplify right side
    1,966.25x = 5,597,593.76
  5. Step 5: Solve for x
    x = 5,597,593.76/1,966.25
  6. Step 6: Final answer
    x = 2,846.83

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.