Home / 2,492.20-3,438.69-1,443.66

Finding the Fourth Proportional to 2,492.20, 3,438.69 and 1,443.66

Calculator

Solution

The fourth proportional to 2,492.20, 3,438.69 and 1,443.66 is: 1,991.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,492.20 : 3,438.69 = 1,443.66 : x
  2. Step 2: Convert to fraction form
    2,492.20/3,438.69 = 1,443.66/x
  3. Step 3: Cross multiply
    2,492.20x = 3,438.69 × 1,443.66
  4. Step 4: Simplify right side
    2,492.20x = 4,964,280.90
  5. Step 5: Solve for x
    x = 4,964,280.90/2,492.20
  6. Step 6: Final answer
    x = 1,991.93

Related Problems

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.