Home / 3,825.80-5,738.70-1,360.60

Finding the Fourth Proportional to 3,825.80, 5,738.70 and 1,360.60

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Solution

The fourth proportional to 3,825.80, 5,738.70 and 1,360.60 is: 2,040.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,825.80 : 5,738.70 = 1,360.60 : x
  2. Step 2: Convert to fraction form
    3,825.80/5,738.70 = 1,360.60/x
  3. Step 3: Cross multiply
    3,825.80x = 5,738.70 × 1,360.60
  4. Step 4: Simplify right side
    3,825.80x = 7,808,075.22
  5. Step 5: Solve for x
    x = 7,808,075.22/3,825.80
  6. Step 6: Final answer
    x = 2,040.90

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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.