Home / 3,590-5,431

Finding the Third Proportional to 3,590 and 5,431

Calculator

Solution

The third proportional to 3,590 and 5,431 is: 8,216.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,590 : 5,431 = 5,431 : x
  2. Step 2: Convert to fraction form
    3,590/5,431 = 5,431/x
  3. Step 3: Cross multiply
    3,590x = 5,431 × 5,431
  4. Step 4: Simplify right side
    3,590x = 29,495,761
  5. Step 5: Solve for x
    x = 29,495,761/3,590
  6. Step 6: Final answer
    x = 8,216.09

Related Problems

Find third proportional to 1,795 and 2,715.50
Half scale
Find third proportional to 7,180 and 10,862
Double scale
Find third proportional to 3,592 and 5,434
Similar ratio
Find third proportional to 5,385 and 8,146.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.