Home / 3,271.97-4,515.96-1,855.68

Finding the Fourth Proportional to 3,271.97, 4,515.96 and 1,855.68

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Solution

The fourth proportional to 3,271.97, 4,515.96 and 1,855.68 is: 2,561.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,271.97 : 4,515.96 = 1,855.68 : x
  2. Step 2: Convert to fraction form
    3,271.97/4,515.96 = 1,855.68/x
  3. Step 3: Cross multiply
    3,271.97x = 4,515.96 × 1,855.68
  4. Step 4: Simplify right side
    3,271.97x = 8,380,176.65
  5. Step 5: Solve for x
    x = 8,380,176.65/3,271.97
  6. Step 6: Final answer
    x = 2,561.21

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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.