Home / 3,413.10-5,120.46-1,658.96

Finding the Fourth Proportional to 3,413.10, 5,120.46 and 1,658.96

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Solution

The fourth proportional to 3,413.10, 5,120.46 and 1,658.96 is: 2,488.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,413.10 : 5,120.46 = 1,658.96 : x
  2. Step 2: Convert to fraction form
    3,413.10/5,120.46 = 1,658.96/x
  3. Step 3: Cross multiply
    3,413.10x = 5,120.46 × 1,658.96
  4. Step 4: Simplify right side
    3,413.10x = 8,494,638.32
  5. Step 5: Solve for x
    x = 8,494,638.32/3,413.10
  6. Step 6: Final answer
    x = 2,488.83

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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.