Home / 3,984.06-5,975.91-1,520.04

Finding the Fourth Proportional to 3,984.06, 5,975.91 and 1,520.04

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Solution

The fourth proportional to 3,984.06, 5,975.91 and 1,520.04 is: 2,279.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,984.06 : 5,975.91 = 1,520.04 : x
  2. Step 2: Convert to fraction form
    3,984.06/5,975.91 = 1,520.04/x
  3. Step 3: Cross multiply
    3,984.06x = 5,975.91 × 1,520.04
  4. Step 4: Simplify right side
    3,984.06x = 9,083,622.24
  5. Step 5: Solve for x
    x = 9,083,622.24/3,984.06
  6. Step 6: Final answer
    x = 2,279.99

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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.