Home / 1,859-2,758

Finding the Third Proportional to 1,859 and 2,758

Calculator

Solution

The third proportional to 1,859 and 2,758 is: 4,091.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,859 : 2,758 = 2,758 : x
  2. Step 2: Convert to fraction form
    1,859/2,758 = 2,758/x
  3. Step 3: Cross multiply
    1,859x = 2,758 × 2,758
  4. Step 4: Simplify right side
    1,859x = 7,606,564
  5. Step 5: Solve for x
    x = 7,606,564/1,859
  6. Step 6: Final answer
    x = 4,091.75

Related Problems

Find third proportional to 929.50 and 1,379
Half scale
Find third proportional to 3,718 and 5,516
Double scale
Find third proportional to 1,861 and 2,761
Similar ratio
Find third proportional to 2,788.50 and 4,137
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.