Home / 2,942.84-4,391.86-2,823.74

Finding the Fourth Proportional to 2,942.84, 4,391.86 and 2,823.74

Calculator

Solution

The fourth proportional to 2,942.84, 4,391.86 and 2,823.74 is: 4,214.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,942.84 : 4,391.86 = 2,823.74 : x
  2. Step 2: Convert to fraction form
    2,942.84/4,391.86 = 2,823.74/x
  3. Step 3: Cross multiply
    2,942.84x = 4,391.86 × 2,823.74
  4. Step 4: Simplify right side
    2,942.84x = 12,401,470.76
  5. Step 5: Solve for x
    x = 12,401,470.76/2,942.84
  6. Step 6: Final answer
    x = 4,214.12

Related Problems

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.