Home / 3,075.09-4,611.57-1,200.54

Finding the Fourth Proportional to 3,075.09, 4,611.57 and 1,200.54

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Solution

The fourth proportional to 3,075.09, 4,611.57 and 1,200.54 is: 1,800.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,075.09 : 4,611.57 = 1,200.54 : x
  2. Step 2: Convert to fraction form
    3,075.09/4,611.57 = 1,200.54/x
  3. Step 3: Cross multiply
    3,075.09x = 4,611.57 × 1,200.54
  4. Step 4: Simplify right side
    3,075.09x = 5,536,374.25
  5. Step 5: Solve for x
    x = 5,536,374.25/3,075.09
  6. Step 6: Final answer
    x = 1,800.39

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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.