Home / 1,578.50-3,474

Finding the Third Proportional to 1,578.50 and 3,474

Calculator

Solution

The third proportional to 1,578.50 and 3,474 is: 7,645.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,578.50 : 3,474 = 3,474 : x
  2. Step 2: Convert to fraction form
    1,578.50/3,474 = 3,474/x
  3. Step 3: Cross multiply
    1,578.50x = 3,474 × 3,474
  4. Step 4: Simplify right side
    1,578.50x = 12,068,676
  5. Step 5: Solve for x
    x = 12,068,676/1,578.50
  6. Step 6: Final answer
    x = 7,645.66

Related Problems

Find third proportional to 789.25 and 1,737
Half scale
Find third proportional to 3,157 and 6,948
Double scale
Find third proportional to 1,581 and 3,478
Similar ratio
Find third proportional to 2,367.75 and 5,211
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.