Home / 3,238.66-4,858.72-1,290.82

Finding the Fourth Proportional to 3,238.66, 4,858.72 and 1,290.82

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Solution

The fourth proportional to 3,238.66, 4,858.72 and 1,290.82 is: 1,936.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,238.66 : 4,858.72 = 1,290.82 : x
  2. Step 2: Convert to fraction form
    3,238.66/4,858.72 = 1,290.82/x
  3. Step 3: Cross multiply
    3,238.66x = 4,858.72 × 1,290.82
  4. Step 4: Simplify right side
    3,238.66x = 6,271,732.95
  5. Step 5: Solve for x
    x = 6,271,732.95/3,238.66
  6. Step 6: Final answer
    x = 1,936.52

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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.