Home / 2,860.36-4,291.22-1,216.96

Finding the Fourth Proportional to 2,860.36, 4,291.22 and 1,216.96

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Solution

The fourth proportional to 2,860.36, 4,291.22 and 1,216.96 is: 1,825.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,860.36 : 4,291.22 = 1,216.96 : x
  2. Step 2: Convert to fraction form
    2,860.36/4,291.22 = 1,216.96/x
  3. Step 3: Cross multiply
    2,860.36x = 4,291.22 × 1,216.96
  4. Step 4: Simplify right side
    2,860.36x = 5,222,243.09
  5. Step 5: Solve for x
    x = 5,222,243.09/2,860.36
  6. Step 6: Final answer
    x = 1,825.73

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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.