Home / 3,831.76-5,738.04-2,672.08

Finding the Fourth Proportional to 3,831.76, 5,738.04 and 2,672.08

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Solution

The fourth proportional to 3,831.76, 5,738.04 and 2,672.08 is: 4,001.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,831.76 : 5,738.04 = 2,672.08 : x
  2. Step 2: Convert to fraction form
    3,831.76/5,738.04 = 2,672.08/x
  3. Step 3: Cross multiply
    3,831.76x = 5,738.04 × 2,672.08
  4. Step 4: Simplify right side
    3,831.76x = 15,332,501.92
  5. Step 5: Solve for x
    x = 15,332,501.92/3,831.76
  6. Step 6: Final answer
    x = 4,001.43

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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.