Home / 3,296.40-4,942.89-1,216.32

Finding the Fourth Proportional to 3,296.40, 4,942.89 and 1,216.32

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Solution

The fourth proportional to 3,296.40, 4,942.89 and 1,216.32 is: 1,823.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,296.40 : 4,942.89 = 1,216.32 : x
  2. Step 2: Convert to fraction form
    3,296.40/4,942.89 = 1,216.32/x
  3. Step 3: Cross multiply
    3,296.40x = 4,942.89 × 1,216.32
  4. Step 4: Simplify right side
    3,296.40x = 6,012,135.96
  5. Step 5: Solve for x
    x = 6,012,135.96/3,296.40
  6. Step 6: Final answer
    x = 1,823.85

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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.