Home / 3,271.24-4,906.86-1,540

Finding the Fourth Proportional to 3,271.24, 4,906.86 and 1,540

Calculator

Solution

The fourth proportional to 3,271.24, 4,906.86 and 1,540 is: 2,310

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,271.24 : 4,906.86 = 1,540 : x
  2. Step 2: Convert to fraction form
    3,271.24/4,906.86 = 1,540/x
  3. Step 3: Cross multiply
    3,271.24x = 4,906.86 × 1,540
  4. Step 4: Simplify right side
    3,271.24x = 7,556,564.40
  5. Step 5: Solve for x
    x = 7,556,564.40/3,271.24
  6. Step 6: Final answer
    x = 2,310

Related Problems

Find fourth proportional to 1,635.62, 2,453.43 and 770
Half scale
Find fourth proportional to 6,542.48, 9,813.72 and 3,080
Double scale
Find fourth proportional to 3,272.24, 4,908.36 and 1,541
Similar ratio
Find fourth proportional to 4,906.86, 7,360.29 and 2,310
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.