Home / 3,238.74-4,858.11-1,290.96

Finding the Fourth Proportional to 3,238.74, 4,858.11 and 1,290.96

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Solution

The fourth proportional to 3,238.74, 4,858.11 and 1,290.96 is: 1,936.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,238.74 : 4,858.11 = 1,290.96 : x
  2. Step 2: Convert to fraction form
    3,238.74/4,858.11 = 1,290.96/x
  3. Step 3: Cross multiply
    3,238.74x = 4,858.11 × 1,290.96
  4. Step 4: Simplify right side
    3,238.74x = 6,271,625.69
  5. Step 5: Solve for x
    x = 6,271,625.69/3,238.74
  6. Step 6: Final answer
    x = 1,936.44

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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.