Home / 3,578.46-5,365.77-1,628.94

Finding the Fourth Proportional to 3,578.46, 5,365.77 and 1,628.94

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Solution

The fourth proportional to 3,578.46, 5,365.77 and 1,628.94 is: 2,442.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,578.46 : 5,365.77 = 1,628.94 : x
  2. Step 2: Convert to fraction form
    3,578.46/5,365.77 = 1,628.94/x
  3. Step 3: Cross multiply
    3,578.46x = 5,365.77 × 1,628.94
  4. Step 4: Simplify right side
    3,578.46x = 8,740,517.38
  5. Step 5: Solve for x
    x = 8,740,517.38/3,578.46
  6. Step 6: Final answer
    x = 2,442.54

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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.