Home / 3,984.18-5,977.23-1,351.65

Finding the Fourth Proportional to 3,984.18, 5,977.23 and 1,351.65

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Solution

The fourth proportional to 3,984.18, 5,977.23 and 1,351.65 is: 2,027.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,984.18 : 5,977.23 = 1,351.65 : x
  2. Step 2: Convert to fraction form
    3,984.18/5,977.23 = 1,351.65/x
  3. Step 3: Cross multiply
    3,984.18x = 5,977.23 × 1,351.65
  4. Step 4: Simplify right side
    3,984.18x = 8,079,122.93
  5. Step 5: Solve for x
    x = 8,079,122.93/3,984.18
  6. Step 6: Final answer
    x = 2,027.80

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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.