Home / 3,830.65-5,284.56-2,413.35

Finding the Fourth Proportional to 3,830.65, 5,284.56 and 2,413.35

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Solution

The fourth proportional to 3,830.65, 5,284.56 and 2,413.35 is: 3,329.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,830.65 : 5,284.56 = 2,413.35 : x
  2. Step 2: Convert to fraction form
    3,830.65/5,284.56 = 2,413.35/x
  3. Step 3: Cross multiply
    3,830.65x = 5,284.56 × 2,413.35
  4. Step 4: Simplify right side
    3,830.65x = 12,753,506.09
  5. Step 5: Solve for x
    x = 12,753,506.09/3,830.65
  6. Step 6: Final answer
    x = 3,329.33

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.