Home / 2,413.50-3,620.25-1,585.79

Finding the Fourth Proportional to 2,413.50, 3,620.25 and 1,585.79

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Solution

The fourth proportional to 2,413.50, 3,620.25 and 1,585.79 is: 2,378.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,413.50 : 3,620.25 = 1,585.79 : x
  2. Step 2: Convert to fraction form
    2,413.50/3,620.25 = 1,585.79/x
  3. Step 3: Cross multiply
    2,413.50x = 3,620.25 × 1,585.79
  4. Step 4: Simplify right side
    2,413.50x = 5,740,956.25
  5. Step 5: Solve for x
    x = 5,740,956.25/2,413.50
  6. Step 6: Final answer
    x = 2,378.69

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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.