Home / 2,687.70-3,709.04-1,492.71

Finding the Fourth Proportional to 2,687.70, 3,709.04 and 1,492.71

Calculator

Solution

The fourth proportional to 2,687.70, 3,709.04 and 1,492.71 is: 2,059.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,687.70 : 3,709.04 = 1,492.71 : x
  2. Step 2: Convert to fraction form
    2,687.70/3,709.04 = 1,492.71/x
  3. Step 3: Cross multiply
    2,687.70x = 3,709.04 × 1,492.71
  4. Step 4: Simplify right side
    2,687.70x = 5,536,521.10
  5. Step 5: Solve for x
    x = 5,536,521.10/2,687.70
  6. Step 6: Final answer
    x = 2,059.95

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.