Home / 3,238.89-4,860.30-1,290.94

Finding the Fourth Proportional to 3,238.89, 4,860.30 and 1,290.94

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Solution

The fourth proportional to 3,238.89, 4,860.30 and 1,290.94 is: 1,937.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,238.89 : 4,860.30 = 1,290.94 : x
  2. Step 2: Convert to fraction form
    3,238.89/4,860.30 = 1,290.94/x
  3. Step 3: Cross multiply
    3,238.89x = 4,860.30 × 1,290.94
  4. Step 4: Simplify right side
    3,238.89x = 6,274,348.37
  5. Step 5: Solve for x
    x = 6,274,348.37/3,238.89
  6. Step 6: Final answer
    x = 1,937.19

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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.