Home / 3,831.21-5,746.19-2,379.33

Finding the Fourth Proportional to 3,831.21, 5,746.19 and 2,379.33

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Solution

The fourth proportional to 3,831.21, 5,746.19 and 2,379.33 is: 3,568.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,831.21 : 5,746.19 = 2,379.33 : x
  2. Step 2: Convert to fraction form
    3,831.21/5,746.19 = 2,379.33/x
  3. Step 3: Cross multiply
    3,831.21x = 5,746.19 × 2,379.33
  4. Step 4: Simplify right side
    3,831.21x = 13,672,070.36
  5. Step 5: Solve for x
    x = 13,672,070.36/3,831.21
  6. Step 6: Final answer
    x = 3,568.60

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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.