Home / 3,383.28-5,075.70-1,074.78

Finding the Fourth Proportional to 3,383.28, 5,075.70 and 1,074.78

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Solution

The fourth proportional to 3,383.28, 5,075.70 and 1,074.78 is: 1,612.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,383.28 : 5,075.70 = 1,074.78 : x
  2. Step 2: Convert to fraction form
    3,383.28/5,075.70 = 1,074.78/x
  3. Step 3: Cross multiply
    3,383.28x = 5,075.70 × 1,074.78
  4. Step 4: Simplify right side
    3,383.28x = 5,455,260.85
  5. Step 5: Solve for x
    x = 5,455,260.85/3,383.28
  6. Step 6: Final answer
    x = 1,612.42

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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.