Home / 2,847.60-4,268.64-1,091.26

Finding the Fourth Proportional to 2,847.60, 4,268.64 and 1,091.26

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Solution

The fourth proportional to 2,847.60, 4,268.64 and 1,091.26 is: 1,635.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,847.60 : 4,268.64 = 1,091.26 : x
  2. Step 2: Convert to fraction form
    2,847.60/4,268.64 = 1,091.26/x
  3. Step 3: Cross multiply
    2,847.60x = 4,268.64 × 1,091.26
  4. Step 4: Simplify right side
    2,847.60x = 4,658,196.09
  5. Step 5: Solve for x
    x = 4,658,196.09/2,847.60
  6. Step 6: Final answer
    x = 1,635.83

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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.