Home / 3,634.60-5,453.70-2,075.80

Finding the Fourth Proportional to 3,634.60, 5,453.70 and 2,075.80

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Solution

The fourth proportional to 3,634.60, 5,453.70 and 2,075.80 is: 3,114.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,634.60 : 5,453.70 = 2,075.80 : x
  2. Step 2: Convert to fraction form
    3,634.60/5,453.70 = 2,075.80/x
  3. Step 3: Cross multiply
    3,634.60x = 5,453.70 × 2,075.80
  4. Step 4: Simplify right side
    3,634.60x = 11,320,790.46
  5. Step 5: Solve for x
    x = 11,320,790.46/3,634.60
  6. Step 6: Final answer
    x = 3,114.73

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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.