Home / 3,889.22-5,830.58-2,800.58

Finding the Fourth Proportional to 3,889.22, 5,830.58 and 2,800.58

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Solution

The fourth proportional to 3,889.22, 5,830.58 and 2,800.58 is: 4,198.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,889.22 : 5,830.58 = 2,800.58 : x
  2. Step 2: Convert to fraction form
    3,889.22/5,830.58 = 2,800.58/x
  3. Step 3: Cross multiply
    3,889.22x = 5,830.58 × 2,800.58
  4. Step 4: Simplify right side
    3,889.22x = 16,328,983.58
  5. Step 5: Solve for x
    x = 16,328,983.58/3,889.22
  6. Step 6: Final answer
    x = 4,198.53

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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.