Home / 3,375.65-5,075.49-2,945.54

Finding the Fourth Proportional to 3,375.65, 5,075.49 and 2,945.54

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Solution

The fourth proportional to 3,375.65, 5,075.49 and 2,945.54 is: 4,428.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,375.65 : 5,075.49 = 2,945.54 : x
  2. Step 2: Convert to fraction form
    3,375.65/5,075.49 = 2,945.54/x
  3. Step 3: Cross multiply
    3,375.65x = 5,075.49 × 2,945.54
  4. Step 4: Simplify right side
    3,375.65x = 14,950,058.81
  5. Step 5: Solve for x
    x = 14,950,058.81/3,375.65
  6. Step 6: Final answer
    x = 4,428.79

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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.