Home / 2,845.31-4,268.15-1,201.64

Finding the Fourth Proportional to 2,845.31, 4,268.15 and 1,201.64

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Solution

The fourth proportional to 2,845.31, 4,268.15 and 1,201.64 is: 1,802.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,845.31 : 4,268.15 = 1,201.64 : x
  2. Step 2: Convert to fraction form
    2,845.31/4,268.15 = 1,201.64/x
  3. Step 3: Cross multiply
    2,845.31x = 4,268.15 × 1,201.64
  4. Step 4: Simplify right side
    2,845.31x = 5,128,773.76
  5. Step 5: Solve for x
    x = 5,128,773.76/2,845.31
  6. Step 6: Final answer
    x = 1,802.54

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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.