Home / 2,906.50-4,027.88-2,851.10

Finding the Fourth Proportional to 2,906.50, 4,027.88 and 2,851.10

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Solution

The fourth proportional to 2,906.50, 4,027.88 and 2,851.10 is: 3,951.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,906.50 : 4,027.88 = 2,851.10 : x
  2. Step 2: Convert to fraction form
    2,906.50/4,027.88 = 2,851.10/x
  3. Step 3: Cross multiply
    2,906.50x = 4,027.88 × 2,851.10
  4. Step 4: Simplify right side
    2,906.50x = 11,483,874.41
  5. Step 5: Solve for x
    x = 11,483,874.41/2,906.50
  6. Step 6: Final answer
    x = 3,951.10

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.