Home / 3,383.68-5,075.10-1,922.70

Finding the Fourth Proportional to 3,383.68, 5,075.10 and 1,922.70

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Solution

The fourth proportional to 3,383.68, 5,075.10 and 1,922.70 is: 2,883.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,383.68 : 5,075.10 = 1,922.70 : x
  2. Step 2: Convert to fraction form
    3,383.68/5,075.10 = 1,922.70/x
  3. Step 3: Cross multiply
    3,383.68x = 5,075.10 × 1,922.70
  4. Step 4: Simplify right side
    3,383.68x = 9,757,894.77
  5. Step 5: Solve for x
    x = 9,757,894.77/3,383.68
  6. Step 6: Final answer
    x = 2,883.81

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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.