Home / 2,586.03-3,878.46-1,198.02

Finding the Fourth Proportional to 2,586.03, 3,878.46 and 1,198.02

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Solution

The fourth proportional to 2,586.03, 3,878.46 and 1,198.02 is: 1,796.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,586.03 : 3,878.46 = 1,198.02 : x
  2. Step 2: Convert to fraction form
    2,586.03/3,878.46 = 1,198.02/x
  3. Step 3: Cross multiply
    2,586.03x = 3,878.46 × 1,198.02
  4. Step 4: Simplify right side
    2,586.03x = 4,646,472.65
  5. Step 5: Solve for x
    x = 4,646,472.65/2,586.03
  6. Step 6: Final answer
    x = 1,796.76

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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.