Home / 3,602.39-5,398.97-2,778.94

Finding the Fourth Proportional to 3,602.39, 5,398.97 and 2,778.94

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Solution

The fourth proportional to 3,602.39, 5,398.97 and 2,778.94 is: 4,164.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,602.39 : 5,398.97 = 2,778.94 : x
  2. Step 2: Convert to fraction form
    3,602.39/5,398.97 = 2,778.94/x
  3. Step 3: Cross multiply
    3,602.39x = 5,398.97 × 2,778.94
  4. Step 4: Simplify right side
    3,602.39x = 15,003,413.69
  5. Step 5: Solve for x
    x = 15,003,413.69/3,602.39
  6. Step 6: Final answer
    x = 4,164.85

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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.