Home / 3,472-5,208-1,040

Finding the Fourth Proportional to 3,472, 5,208 and 1,040

Calculator

Solution

The fourth proportional to 3,472, 5,208 and 1,040 is: 1,560

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,472 : 5,208 = 1,040 : x
  2. Step 2: Convert to fraction form
    3,472/5,208 = 1,040/x
  3. Step 3: Cross multiply
    3,472x = 5,208 × 1,040
  4. Step 4: Simplify right side
    3,472x = 5,416,320
  5. Step 5: Solve for x
    x = 5,416,320/3,472
  6. Step 6: Final answer
    x = 1,560

Related Problems

Find fourth proportional to 1,736, 2,604 and 520
Half scale
Find fourth proportional to 6,944, 10,416 and 2,080
Double scale
Find fourth proportional to 3,473, 5,209.50 and 1,041
Similar ratio
Find fourth proportional to 5,208, 7,812 and 1,560
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.