Home / 3,238.85-4,858.59-1,290.60

Finding the Fourth Proportional to 3,238.85, 4,858.59 and 1,290.60

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Solution

The fourth proportional to 3,238.85, 4,858.59 and 1,290.60 is: 1,936.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,238.85 : 4,858.59 = 1,290.60 : x
  2. Step 2: Convert to fraction form
    3,238.85/4,858.59 = 1,290.60/x
  3. Step 3: Cross multiply
    3,238.85x = 4,858.59 × 1,290.60
  4. Step 4: Simplify right side
    3,238.85x = 6,270,471.96
  5. Step 5: Solve for x
    x = 6,270,471.96/3,238.85
  6. Step 6: Final answer
    x = 1,936.02

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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.