Home / 2,831.44-4,241.22-1,440.56

Finding the Fourth Proportional to 2,831.44, 4,241.22 and 1,440.56

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Solution

The fourth proportional to 2,831.44, 4,241.22 and 1,440.56 is: 2,157.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,831.44 : 4,241.22 = 1,440.56 : x
  2. Step 2: Convert to fraction form
    2,831.44/4,241.22 = 1,440.56/x
  3. Step 3: Cross multiply
    2,831.44x = 4,241.22 × 1,440.56
  4. Step 4: Simplify right side
    2,831.44x = 6,109,731.88
  5. Step 5: Solve for x
    x = 6,109,731.88/2,831.44
  6. Step 6: Final answer
    x = 2,157.82

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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.