Home / 3,783.92-5,670.68-2,858.72

Finding the Fourth Proportional to 3,783.92, 5,670.68 and 2,858.72

Calculator

Solution

The fourth proportional to 3,783.92, 5,670.68 and 2,858.72 is: 4,284.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,783.92 : 5,670.68 = 2,858.72 : x
  2. Step 2: Convert to fraction form
    3,783.92/5,670.68 = 2,858.72/x
  3. Step 3: Cross multiply
    3,783.92x = 5,670.68 × 2,858.72
  4. Step 4: Simplify right side
    3,783.92x = 16,210,886.33
  5. Step 5: Solve for x
    x = 16,210,886.33/3,783.92
  6. Step 6: Final answer
    x = 4,284.15

Related Problems

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.