Home / 2,686.26-4,020.38-2,584.02

Finding the Fourth Proportional to 2,686.26, 4,020.38 and 2,584.02

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Solution

The fourth proportional to 2,686.26, 4,020.38 and 2,584.02 is: 3,867.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,686.26 : 4,020.38 = 2,584.02 : x
  2. Step 2: Convert to fraction form
    2,686.26/4,020.38 = 2,584.02/x
  3. Step 3: Cross multiply
    2,686.26x = 4,020.38 × 2,584.02
  4. Step 4: Simplify right side
    2,686.26x = 10,388,742.33
  5. Step 5: Solve for x
    x = 10,388,742.33/2,686.26
  6. Step 6: Final answer
    x = 3,867.36

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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.