Home / 3,458.54-5,188.36-1,268.84

Finding the Fourth Proportional to 3,458.54, 5,188.36 and 1,268.84

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Solution

The fourth proportional to 3,458.54, 5,188.36 and 1,268.84 is: 1,903.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,458.54 : 5,188.36 = 1,268.84 : x
  2. Step 2: Convert to fraction form
    3,458.54/5,188.36 = 1,268.84/x
  3. Step 3: Cross multiply
    3,458.54x = 5,188.36 × 1,268.84
  4. Step 4: Simplify right side
    3,458.54x = 6,583,198.70
  5. Step 5: Solve for x
    x = 6,583,198.70/3,458.54
  6. Step 6: Final answer
    x = 1,903.46

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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.