Home / 3,539.45-5,308.77-942.59

Finding the Fourth Proportional to 3,539.45, 5,308.77 and 942.59

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Solution

The fourth proportional to 3,539.45, 5,308.77 and 942.59 is: 1,413.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,539.45 : 5,308.77 = 942.59 : x
  2. Step 2: Convert to fraction form
    3,539.45/5,308.77 = 942.59/x
  3. Step 3: Cross multiply
    3,539.45x = 5,308.77 × 942.59
  4. Step 4: Simplify right side
    3,539.45x = 5,004,006.79
  5. Step 5: Solve for x
    x = 5,004,006.79/3,539.45
  6. Step 6: Final answer
    x = 1,413.78

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1.5x scale

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.