Home / 3,485.10-5,234.94-2,938.35

Finding the Fourth Proportional to 3,485.10, 5,234.94 and 2,938.35

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Solution

The fourth proportional to 3,485.10, 5,234.94 and 2,938.35 is: 4,413.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,485.10 : 5,234.94 = 2,938.35 : x
  2. Step 2: Convert to fraction form
    3,485.10/5,234.94 = 2,938.35/x
  3. Step 3: Cross multiply
    3,485.10x = 5,234.94 × 2,938.35
  4. Step 4: Simplify right side
    3,485.10x = 15,382,085.95
  5. Step 5: Solve for x
    x = 15,382,085.95/3,485.10
  6. Step 6: Final answer
    x = 4,413.67

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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.