Home / 2,792.60-4,185.99-943.08

Finding the Fourth Proportional to 2,792.60, 4,185.99 and 943.08

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Solution

The fourth proportional to 2,792.60, 4,185.99 and 943.08 is: 1,413.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,792.60 : 4,185.99 = 943.08 : x
  2. Step 2: Convert to fraction form
    2,792.60/4,185.99 = 943.08/x
  3. Step 3: Cross multiply
    2,792.60x = 4,185.99 × 943.08
  4. Step 4: Simplify right side
    2,792.60x = 3,947,718.73
  5. Step 5: Solve for x
    x = 3,947,718.73/2,792.60
  6. Step 6: Final answer
    x = 1,413.64

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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.