Home / 1,156-2,140

Finding the Third Proportional to 1,156 and 2,140

Calculator

Solution

The third proportional to 1,156 and 2,140 is: 3,961.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,156 : 2,140 = 2,140 : x
  2. Step 2: Convert to fraction form
    1,156/2,140 = 2,140/x
  3. Step 3: Cross multiply
    1,156x = 2,140 × 2,140
  4. Step 4: Simplify right side
    1,156x = 4,579,600
  5. Step 5: Solve for x
    x = 4,579,600/1,156
  6. Step 6: Final answer
    x = 3,961.59

Related Problems

Why These Related Problems?

These problems maintain the same ratio (1.85) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.