Home / 3,489.37-5,235.09-1,268.16

Finding the Fourth Proportional to 3,489.37, 5,235.09 and 1,268.16

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Solution

The fourth proportional to 3,489.37, 5,235.09 and 1,268.16 is: 1,902.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,489.37 : 5,235.09 = 1,268.16 : x
  2. Step 2: Convert to fraction form
    3,489.37/5,235.09 = 1,268.16/x
  3. Step 3: Cross multiply
    3,489.37x = 5,235.09 × 1,268.16
  4. Step 4: Simplify right side
    3,489.37x = 6,638,916.26
  5. Step 5: Solve for x
    x = 6,638,916.26/3,489.37
  6. Step 6: Final answer
    x = 1,902.61

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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.