Home / 3,122.30-4,683.44-1,831.96

Finding the Fourth Proportional to 3,122.30, 4,683.44 and 1,831.96

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Solution

The fourth proportional to 3,122.30, 4,683.44 and 1,831.96 is: 2,747.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,122.30 : 4,683.44 = 1,831.96 : x
  2. Step 2: Convert to fraction form
    3,122.30/4,683.44 = 1,831.96/x
  3. Step 3: Cross multiply
    3,122.30x = 4,683.44 × 1,831.96
  4. Step 4: Simplify right side
    3,122.30x = 8,579,874.74
  5. Step 5: Solve for x
    x = 8,579,874.74/3,122.30
  6. Step 6: Final answer
    x = 2,747.93

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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.