Home / 2,906.51-4,027.88-2,851.11

Finding the Fourth Proportional to 2,906.51, 4,027.88 and 2,851.11

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Solution

The fourth proportional to 2,906.51, 4,027.88 and 2,851.11 is: 3,951.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,906.51 : 4,027.88 = 2,851.11 : x
  2. Step 2: Convert to fraction form
    2,906.51/4,027.88 = 2,851.11/x
  3. Step 3: Cross multiply
    2,906.51x = 4,027.88 × 2,851.11
  4. Step 4: Simplify right side
    2,906.51x = 11,483,914.69
  5. Step 5: Solve for x
    x = 11,483,914.69/2,906.51
  6. Step 6: Final answer
    x = 3,951.11

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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.