Home / 1,987.50-2,838

Finding the Third Proportional to 1,987.50 and 2,838

Calculator

Solution

The third proportional to 1,987.50 and 2,838 is: 4,052.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,987.50 : 2,838 = 2,838 : x
  2. Step 2: Convert to fraction form
    1,987.50/2,838 = 2,838/x
  3. Step 3: Cross multiply
    1,987.50x = 2,838 × 2,838
  4. Step 4: Simplify right side
    1,987.50x = 8,054,244
  5. Step 5: Solve for x
    x = 8,054,244/1,987.50
  6. Step 6: Final answer
    x = 4,052.45

Related Problems

Find third proportional to 993.75 and 1,419
Half scale
Find third proportional to 3,975 and 5,676
Double scale
Find third proportional to 1,990 and 2,841
Similar ratio
Find third proportional to 2,981.25 and 4,257
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.