Home / 3,319.39-4,977.46-1,933.21

Finding the Fourth Proportional to 3,319.39, 4,977.46 and 1,933.21

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Solution

The fourth proportional to 3,319.39, 4,977.46 and 1,933.21 is: 2,898.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,319.39 : 4,977.46 = 1,933.21 : x
  2. Step 2: Convert to fraction form
    3,319.39/4,977.46 = 1,933.21/x
  3. Step 3: Cross multiply
    3,319.39x = 4,977.46 × 1,933.21
  4. Step 4: Simplify right side
    3,319.39x = 9,622,458.17
  5. Step 5: Solve for x
    x = 9,622,458.17/3,319.39
  6. Step 6: Final answer
    x = 2,898.87

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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.