Home / 3,831.74-5,746.35-1,234.07

Finding the Fourth Proportional to 3,831.74, 5,746.35 and 1,234.07

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Solution

The fourth proportional to 3,831.74, 5,746.35 and 1,234.07 is: 1,850.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,831.74 : 5,746.35 = 1,234.07 : x
  2. Step 2: Convert to fraction form
    3,831.74/5,746.35 = 1,234.07/x
  3. Step 3: Cross multiply
    3,831.74x = 5,746.35 × 1,234.07
  4. Step 4: Simplify right side
    3,831.74x = 7,091,369.41
  5. Step 5: Solve for x
    x = 7,091,369.41/3,831.74
  6. Step 6: Final answer
    x = 1,850.69

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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.