Home / 2,990-4,439

Finding the Third Proportional to 2,990 and 4,439

Calculator

Solution

The third proportional to 2,990 and 4,439 is: 6,590.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,990 : 4,439 = 4,439 : x
  2. Step 2: Convert to fraction form
    2,990/4,439 = 4,439/x
  3. Step 3: Cross multiply
    2,990x = 4,439 × 4,439
  4. Step 4: Simplify right side
    2,990x = 19,704,721
  5. Step 5: Solve for x
    x = 19,704,721/2,990
  6. Step 6: Final answer
    x = 6,590.21

Related Problems

Find third proportional to 1,495 and 2,219.50
Half scale
Find third proportional to 5,980 and 8,878
Double scale
Find third proportional to 2,992 and 4,442
Similar ratio
Find third proportional to 4,485 and 6,658.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.48) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.