Home / 3,984.24-5,975.45-1,351.95

Finding the Fourth Proportional to 3,984.24, 5,975.45 and 1,351.95

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Solution

The fourth proportional to 3,984.24, 5,975.45 and 1,351.95 is: 2,027.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,984.24 : 5,975.45 = 1,351.95 : x
  2. Step 2: Convert to fraction form
    3,984.24/5,975.45 = 1,351.95/x
  3. Step 3: Cross multiply
    3,984.24x = 5,975.45 × 1,351.95
  4. Step 4: Simplify right side
    3,984.24x = 8,078,509.63
  5. Step 5: Solve for x
    x = 8,078,509.63/3,984.24
  6. Step 6: Final answer
    x = 2,027.62

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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.