Home / 3,831.66-5,749.74-1,493.28

Finding the Fourth Proportional to 3,831.66, 5,749.74 and 1,493.28

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Solution

The fourth proportional to 3,831.66, 5,749.74 and 1,493.28 is: 2,240.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,831.66 : 5,749.74 = 1,493.28 : x
  2. Step 2: Convert to fraction form
    3,831.66/5,749.74 = 1,493.28/x
  3. Step 3: Cross multiply
    3,831.66x = 5,749.74 × 1,493.28
  4. Step 4: Simplify right side
    3,831.66x = 8,585,971.75
  5. Step 5: Solve for x
    x = 8,585,971.75/3,831.66
  6. Step 6: Final answer
    x = 2,240.80

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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.