Home / 4,000.80-5,997.96-2,831.16

Finding the Fourth Proportional to 4,000.80, 5,997.96 and 2,831.16

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Solution

The fourth proportional to 4,000.80, 5,997.96 and 2,831.16 is: 4,244.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,000.80 : 5,997.96 = 2,831.16 : x
  2. Step 2: Convert to fraction form
    4,000.80/5,997.96 = 2,831.16/x
  3. Step 3: Cross multiply
    4,000.80x = 5,997.96 × 2,831.16
  4. Step 4: Simplify right side
    4,000.80x = 16,981,184.43
  5. Step 5: Solve for x
    x = 16,981,184.43/4,000.80
  6. Step 6: Final answer
    x = 4,244.45

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1.5x scale

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.