Home / 3,874.21-5,810.94-1,100.86

Finding the Fourth Proportional to 3,874.21, 5,810.94 and 1,100.86

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Solution

The fourth proportional to 3,874.21, 5,810.94 and 1,100.86 is: 1,651.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,874.21 : 5,810.94 = 1,100.86 : x
  2. Step 2: Convert to fraction form
    3,874.21/5,810.94 = 1,100.86/x
  3. Step 3: Cross multiply
    3,874.21x = 5,810.94 × 1,100.86
  4. Step 4: Simplify right side
    3,874.21x = 6,397,031.41
  5. Step 5: Solve for x
    x = 6,397,031.41/3,874.21
  6. Step 6: Final answer
    x = 1,651.18

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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.