Home / 3,413.76-4,710.08-2,884.80

Finding the Fourth Proportional to 3,413.76, 4,710.08 and 2,884.80

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Solution

The fourth proportional to 3,413.76, 4,710.08 and 2,884.80 is: 3,980.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,413.76 : 4,710.08 = 2,884.80 : x
  2. Step 2: Convert to fraction form
    3,413.76/4,710.08 = 2,884.80/x
  3. Step 3: Cross multiply
    3,413.76x = 4,710.08 × 2,884.80
  4. Step 4: Simplify right side
    3,413.76x = 13,587,638.78
  5. Step 5: Solve for x
    x = 13,587,638.78/3,413.76
  6. Step 6: Final answer
    x = 3,980.26

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1.5x scale

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.