Home / 2,788.26-3,844.50-2,289.30

Finding the Fourth Proportional to 2,788.26, 3,844.50 and 2,289.30

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Solution

The fourth proportional to 2,788.26, 3,844.50 and 2,289.30 is: 3,156.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,788.26 : 3,844.50 = 2,289.30 : x
  2. Step 2: Convert to fraction form
    2,788.26/3,844.50 = 2,289.30/x
  3. Step 3: Cross multiply
    2,788.26x = 3,844.50 × 2,289.30
  4. Step 4: Simplify right side
    2,788.26x = 8,801,213.85
  5. Step 5: Solve for x
    x = 8,801,213.85/2,788.26
  6. Step 6: Final answer
    x = 3,156.53

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.