Home / 2,889.24-4,338.18-2,788.44

Finding the Fourth Proportional to 2,889.24, 4,338.18 and 2,788.44

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Solution

The fourth proportional to 2,889.24, 4,338.18 and 2,788.44 is: 4,186.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,889.24 : 4,338.18 = 2,788.44 : x
  2. Step 2: Convert to fraction form
    2,889.24/4,338.18 = 2,788.44/x
  3. Step 3: Cross multiply
    2,889.24x = 4,338.18 × 2,788.44
  4. Step 4: Simplify right side
    2,889.24x = 12,096,754.64
  5. Step 5: Solve for x
    x = 12,096,754.64/2,889.24
  6. Step 6: Final answer
    x = 4,186.83

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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.