Home / 3,321.85-4,583.31-2,141.50

Finding the Fourth Proportional to 3,321.85, 4,583.31 and 2,141.50

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Solution

The fourth proportional to 3,321.85, 4,583.31 and 2,141.50 is: 2,954.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,321.85 : 4,583.31 = 2,141.50 : x
  2. Step 2: Convert to fraction form
    3,321.85/4,583.31 = 2,141.50/x
  3. Step 3: Cross multiply
    3,321.85x = 4,583.31 × 2,141.50
  4. Step 4: Simplify right side
    3,321.85x = 9,815,158.37
  5. Step 5: Solve for x
    x = 9,815,158.37/3,321.85
  6. Step 6: Final answer
    x = 2,954.73

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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.