Home / 3,899.08-5,851.15-2,049.65

Finding the Fourth Proportional to 3,899.08, 5,851.15 and 2,049.65

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Solution

The fourth proportional to 3,899.08, 5,851.15 and 2,049.65 is: 3,075.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,899.08 : 5,851.15 = 2,049.65 : x
  2. Step 2: Convert to fraction form
    3,899.08/5,851.15 = 2,049.65/x
  3. Step 3: Cross multiply
    3,899.08x = 5,851.15 × 2,049.65
  4. Step 4: Simplify right side
    3,899.08x = 11,992,775.22
  5. Step 5: Solve for x
    x = 11,992,775.22/3,899.08
  6. Step 6: Final answer
    x = 3,075.80

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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.