Home / 1,965.75-2,946.97-1,347.94

Finding the Fourth Proportional to 1,965.75, 2,946.97 and 1,347.94

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Solution

The fourth proportional to 1,965.75, 2,946.97 and 1,347.94 is: 2,020.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,965.75 : 2,946.97 = 1,347.94 : x
  2. Step 2: Convert to fraction form
    1,965.75/2,946.97 = 1,347.94/x
  3. Step 3: Cross multiply
    1,965.75x = 2,946.97 × 1,347.94
  4. Step 4: Simplify right side
    1,965.75x = 3,972,338.74
  5. Step 5: Solve for x
    x = 3,972,338.74/1,965.75
  6. Step 6: Final answer
    x = 2,020.78

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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.