Home / 3,565.73-4,920.86-1,993.81

Finding the Fourth Proportional to 3,565.73, 4,920.86 and 1,993.81

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Solution

The fourth proportional to 3,565.73, 4,920.86 and 1,993.81 is: 2,751.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,565.73 : 4,920.86 = 1,993.81 : x
  2. Step 2: Convert to fraction form
    3,565.73/4,920.86 = 1,993.81/x
  3. Step 3: Cross multiply
    3,565.73x = 4,920.86 × 1,993.81
  4. Step 4: Simplify right side
    3,565.73x = 9,811,259.88
  5. Step 5: Solve for x
    x = 9,811,259.88/3,565.73
  6. Step 6: Final answer
    x = 2,751.54

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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.