Home / 1,401-1,933.07-1,028.04

Finding the Fourth Proportional to 1,401, 1,933.07 and 1,028.04

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Solution

The fourth proportional to 1,401, 1,933.07 and 1,028.04 is: 1,418.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,401 : 1,933.07 = 1,028.04 : x
  2. Step 2: Convert to fraction form
    1,401/1,933.07 = 1,028.04/x
  3. Step 3: Cross multiply
    1,401x = 1,933.07 × 1,028.04
  4. Step 4: Simplify right side
    1,401x = 1,987,268.14
  5. Step 5: Solve for x
    x = 1,987,268.14/1,401
  6. Step 6: Final answer
    x = 1,418.46

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.