Home / 3,924.95-5,413.11-2,803.82

Finding the Fourth Proportional to 3,924.95, 5,413.11 and 2,803.82

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Solution

The fourth proportional to 3,924.95, 5,413.11 and 2,803.82 is: 3,866.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,924.95 : 5,413.11 = 2,803.82 : x
  2. Step 2: Convert to fraction form
    3,924.95/5,413.11 = 2,803.82/x
  3. Step 3: Cross multiply
    3,924.95x = 5,413.11 × 2,803.82
  4. Step 4: Simplify right side
    3,924.95x = 15,177,386.08
  5. Step 5: Solve for x
    x = 15,177,386.08/3,924.95
  6. Step 6: Final answer
    x = 3,866.90

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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.