Home / 2,482.80-3,722.78-1,020.75

Finding the Fourth Proportional to 2,482.80, 3,722.78 and 1,020.75

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Solution

The fourth proportional to 2,482.80, 3,722.78 and 1,020.75 is: 1,530.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,482.80 : 3,722.78 = 1,020.75 : x
  2. Step 2: Convert to fraction form
    2,482.80/3,722.78 = 1,020.75/x
  3. Step 3: Cross multiply
    2,482.80x = 3,722.78 × 1,020.75
  4. Step 4: Simplify right side
    2,482.80x = 3,800,027.69
  5. Step 5: Solve for x
    x = 3,800,027.69/2,482.80
  6. Step 6: Final answer
    x = 1,530.54

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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.