Home / 3,080.46-4,619.55-1,231.02

Finding the Fourth Proportional to 3,080.46, 4,619.55 and 1,231.02

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Solution

The fourth proportional to 3,080.46, 4,619.55 and 1,231.02 is: 1,846.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,080.46 : 4,619.55 = 1,231.02 : x
  2. Step 2: Convert to fraction form
    3,080.46/4,619.55 = 1,231.02/x
  3. Step 3: Cross multiply
    3,080.46x = 4,619.55 × 1,231.02
  4. Step 4: Simplify right side
    3,080.46x = 5,686,758.44
  5. Step 5: Solve for x
    x = 5,686,758.44/3,080.46
  6. Step 6: Final answer
    x = 1,846.07

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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.