Home / 3,780.97-5,668.73-1,778.54

Finding the Fourth Proportional to 3,780.97, 5,668.73 and 1,778.54

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Solution

The fourth proportional to 3,780.97, 5,668.73 and 1,778.54 is: 2,666.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,780.97 : 5,668.73 = 1,778.54 : x
  2. Step 2: Convert to fraction form
    3,780.97/5,668.73 = 1,778.54/x
  3. Step 3: Cross multiply
    3,780.97x = 5,668.73 × 1,778.54
  4. Step 4: Simplify right side
    3,780.97x = 10,082,063.05
  5. Step 5: Solve for x
    x = 10,082,063.05/3,780.97
  6. Step 6: Final answer
    x = 2,666.53

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1.5x scale

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.