Home / 3,216.80-4,823.83-1,830.79

Finding the Fourth Proportional to 3,216.80, 4,823.83 and 1,830.79

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Solution

The fourth proportional to 3,216.80, 4,823.83 and 1,830.79 is: 2,745.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,216.80 : 4,823.83 = 1,830.79 : x
  2. Step 2: Convert to fraction form
    3,216.80/4,823.83 = 1,830.79/x
  3. Step 3: Cross multiply
    3,216.80x = 4,823.83 × 1,830.79
  4. Step 4: Simplify right side
    3,216.80x = 8,831,419.73
  5. Step 5: Solve for x
    x = 8,831,419.73/3,216.80
  6. Step 6: Final answer
    x = 2,745.41

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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.