Home / 3,924.08-5,413.20-2,742.56

Finding the Fourth Proportional to 3,924.08, 5,413.20 and 2,742.56

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Solution

The fourth proportional to 3,924.08, 5,413.20 and 2,742.56 is: 3,783.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,924.08 : 5,413.20 = 2,742.56 : x
  2. Step 2: Convert to fraction form
    3,924.08/5,413.20 = 2,742.56/x
  3. Step 3: Cross multiply
    3,924.08x = 5,413.20 × 2,742.56
  4. Step 4: Simplify right side
    3,924.08x = 14,846,025.79
  5. Step 5: Solve for x
    x = 14,846,025.79/3,924.08
  6. Step 6: Final answer
    x = 3,783.31

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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.