Home / 3,268.62-4,903.38-1,188.36

Finding the Fourth Proportional to 3,268.62, 4,903.38 and 1,188.36

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Solution

The fourth proportional to 3,268.62, 4,903.38 and 1,188.36 is: 1,782.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,268.62 : 4,903.38 = 1,188.36 : x
  2. Step 2: Convert to fraction form
    3,268.62/4,903.38 = 1,188.36/x
  3. Step 3: Cross multiply
    3,268.62x = 4,903.38 × 1,188.36
  4. Step 4: Simplify right side
    3,268.62x = 5,826,980.66
  5. Step 5: Solve for x
    x = 5,826,980.66/3,268.62
  6. Step 6: Final answer
    x = 1,782.70

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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.