Home / 3,960.03-5,941.18-1,983.28

Finding the Fourth Proportional to 3,960.03, 5,941.18 and 1,983.28

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Solution

The fourth proportional to 3,960.03, 5,941.18 and 1,983.28 is: 2,975.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,960.03 : 5,941.18 = 1,983.28 : x
  2. Step 2: Convert to fraction form
    3,960.03/5,941.18 = 1,983.28/x
  3. Step 3: Cross multiply
    3,960.03x = 5,941.18 × 1,983.28
  4. Step 4: Simplify right side
    3,960.03x = 11,783,011.08
  5. Step 5: Solve for x
    x = 11,783,011.08/3,960.03
  6. Step 6: Final answer
    x = 2,975.48

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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.