Home / 3,786.07-5,676.55-1,935.67

Finding the Fourth Proportional to 3,786.07, 5,676.55 and 1,935.67

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Solution

The fourth proportional to 3,786.07, 5,676.55 and 1,935.67 is: 2,902.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,786.07 : 5,676.55 = 1,935.67 : x
  2. Step 2: Convert to fraction form
    3,786.07/5,676.55 = 1,935.67/x
  3. Step 3: Cross multiply
    3,786.07x = 5,676.55 × 1,935.67
  4. Step 4: Simplify right side
    3,786.07x = 10,987,927.54
  5. Step 5: Solve for x
    x = 10,987,927.54/3,786.07
  6. Step 6: Final answer
    x = 2,902.20

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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.