Home / 3,910.84-5,866.44-2,178.16

Finding the Fourth Proportional to 3,910.84, 5,866.44 and 2,178.16

Calculator

Solution

The fourth proportional to 3,910.84, 5,866.44 and 2,178.16 is: 3,267.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,910.84 : 5,866.44 = 2,178.16 : x
  2. Step 2: Convert to fraction form
    3,910.84/5,866.44 = 2,178.16/x
  3. Step 3: Cross multiply
    3,910.84x = 5,866.44 × 2,178.16
  4. Step 4: Simplify right side
    3,910.84x = 12,778,044.95
  5. Step 5: Solve for x
    x = 12,778,044.95/3,910.84
  6. Step 6: Final answer
    x = 3,267.34

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.