Home / 3,290.12-4,936.14-1,556.36

Finding the Fourth Proportional to 3,290.12, 4,936.14 and 1,556.36

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Solution

The fourth proportional to 3,290.12, 4,936.14 and 1,556.36 is: 2,334.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,290.12 : 4,936.14 = 1,556.36 : x
  2. Step 2: Convert to fraction form
    3,290.12/4,936.14 = 1,556.36/x
  3. Step 3: Cross multiply
    3,290.12x = 4,936.14 × 1,556.36
  4. Step 4: Simplify right side
    3,290.12x = 7,682,410.85
  5. Step 5: Solve for x
    x = 7,682,410.85/3,290.12
  6. Step 6: Final answer
    x = 2,334.99

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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.