Home / 3,413.74-4,710.58-1,921.83

Finding the Fourth Proportional to 3,413.74, 4,710.58 and 1,921.83

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Solution

The fourth proportional to 3,413.74, 4,710.58 and 1,921.83 is: 2,651.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,413.74 : 4,710.58 = 1,921.83 : x
  2. Step 2: Convert to fraction form
    3,413.74/4,710.58 = 1,921.83/x
  3. Step 3: Cross multiply
    3,413.74x = 4,710.58 × 1,921.83
  4. Step 4: Simplify right side
    3,413.74x = 9,052,933.96
  5. Step 5: Solve for x
    x = 9,052,933.96/3,413.74
  6. Step 6: Final answer
    x = 2,651.91

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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.