Home / 1,183-1,587

Finding the Third Proportional to 1,183 and 1,587

Calculator

Solution

The third proportional to 1,183 and 1,587 is: 2,128.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,183 : 1,587 = 1,587 : x
  2. Step 2: Convert to fraction form
    1,183/1,587 = 1,587/x
  3. Step 3: Cross multiply
    1,183x = 1,587 × 1,587
  4. Step 4: Simplify right side
    1,183x = 2,518,569
  5. Step 5: Solve for x
    x = 2,518,569/1,183
  6. Step 6: Final answer
    x = 2,128.97

Related Problems

Find third proportional to 591.50 and 793.50
Half scale
Find third proportional to 2,366 and 3,174
Double scale
Find third proportional to 1,185 and 1,590
Similar ratio
Find third proportional to 1,774.50 and 2,380.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.34) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.