Home / 3,939.89-5,903.01-2,767.67

Finding the Fourth Proportional to 3,939.89, 5,903.01 and 2,767.67

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Solution

The fourth proportional to 3,939.89, 5,903.01 and 2,767.67 is: 4,146.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,939.89 : 5,903.01 = 2,767.67 : x
  2. Step 2: Convert to fraction form
    3,939.89/5,903.01 = 2,767.67/x
  3. Step 3: Cross multiply
    3,939.89x = 5,903.01 × 2,767.67
  4. Step 4: Simplify right side
    3,939.89x = 16,337,554.17
  5. Step 5: Solve for x
    x = 16,337,554.17/3,939.89
  6. Step 6: Final answer
    x = 4,146.71

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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.