Home / 3,199.08-4,413.56-1,872.02

Finding the Fourth Proportional to 3,199.08, 4,413.56 and 1,872.02

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Solution

The fourth proportional to 3,199.08, 4,413.56 and 1,872.02 is: 2,582.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,199.08 : 4,413.56 = 1,872.02 : x
  2. Step 2: Convert to fraction form
    3,199.08/4,413.56 = 1,872.02/x
  3. Step 3: Cross multiply
    3,199.08x = 4,413.56 × 1,872.02
  4. Step 4: Simplify right side
    3,199.08x = 8,262,272.59
  5. Step 5: Solve for x
    x = 8,262,272.59/3,199.08
  6. Step 6: Final answer
    x = 2,582.70

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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.