Home / 3,321.23-4,975.46-1,855.94

Finding the Fourth Proportional to 3,321.23, 4,975.46 and 1,855.94

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Solution

The fourth proportional to 3,321.23, 4,975.46 and 1,855.94 is: 2,780.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,321.23 : 4,975.46 = 1,855.94 : x
  2. Step 2: Convert to fraction form
    3,321.23/4,975.46 = 1,855.94/x
  3. Step 3: Cross multiply
    3,321.23x = 4,975.46 × 1,855.94
  4. Step 4: Simplify right side
    3,321.23x = 9,234,128.04
  5. Step 5: Solve for x
    x = 9,234,128.04/3,321.23
  6. Step 6: Final answer
    x = 2,780.34

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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.