Home / 3,565.45-4,920.48-1,993.54

Finding the Fourth Proportional to 3,565.45, 4,920.48 and 1,993.54

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Solution

The fourth proportional to 3,565.45, 4,920.48 and 1,993.54 is: 2,751.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,565.45 : 4,920.48 = 1,993.54 : x
  2. Step 2: Convert to fraction form
    3,565.45/4,920.48 = 1,993.54/x
  3. Step 3: Cross multiply
    3,565.45x = 4,920.48 × 1,993.54
  4. Step 4: Simplify right side
    3,565.45x = 9,809,163.73
  5. Step 5: Solve for x
    x = 9,809,163.73/3,565.45
  6. Step 6: Final answer
    x = 2,751.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.