Home / 2,782.24-3,839.26-1,603.41

Finding the Fourth Proportional to 2,782.24, 3,839.26 and 1,603.41

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Solution

The fourth proportional to 2,782.24, 3,839.26 and 1,603.41 is: 2,212.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,782.24 : 3,839.26 = 1,603.41 : x
  2. Step 2: Convert to fraction form
    2,782.24/3,839.26 = 1,603.41/x
  3. Step 3: Cross multiply
    2,782.24x = 3,839.26 × 1,603.41
  4. Step 4: Simplify right side
    2,782.24x = 6,155,907.88
  5. Step 5: Solve for x
    x = 6,155,907.88/2,782.24
  6. Step 6: Final answer
    x = 2,212.57

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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.