Home / 3,075.46-4,608-2,961.70

Finding the Fourth Proportional to 3,075.46, 4,608 and 2,961.70

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Solution

The fourth proportional to 3,075.46, 4,608 and 2,961.70 is: 4,437.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,075.46 : 4,608 = 2,961.70 : x
  2. Step 2: Convert to fraction form
    3,075.46/4,608 = 2,961.70/x
  3. Step 3: Cross multiply
    3,075.46x = 4,608 × 2,961.70
  4. Step 4: Simplify right side
    3,075.46x = 13,647,513.60
  5. Step 5: Solve for x
    x = 13,647,513.60/3,075.46
  6. Step 6: Final answer
    x = 4,437.55

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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.