Home / 4,144.25-5,719.01-2,255.78

Finding the Fourth Proportional to 4,144.25, 5,719.01 and 2,255.78

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Solution

The fourth proportional to 4,144.25, 5,719.01 and 2,255.78 is: 3,112.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,144.25 : 5,719.01 = 2,255.78 : x
  2. Step 2: Convert to fraction form
    4,144.25/5,719.01 = 2,255.78/x
  3. Step 3: Cross multiply
    4,144.25x = 5,719.01 × 2,255.78
  4. Step 4: Simplify right side
    4,144.25x = 12,900,831.40
  5. Step 5: Solve for x
    x = 12,900,831.40/4,144.25
  6. Step 6: Final answer
    x = 3,112.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.