Home / 1,644-2,466-618

Finding the Fourth Proportional to 1,644, 2,466 and 618

Calculator

Solution

The fourth proportional to 1,644, 2,466 and 618 is: 927

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,644 : 2,466 = 618 : x
  2. Step 2: Convert to fraction form
    1,644/2,466 = 618/x
  3. Step 3: Cross multiply
    1,644x = 2,466 × 618
  4. Step 4: Simplify right side
    1,644x = 1,523,988
  5. Step 5: Solve for x
    x = 1,523,988/1,644
  6. Step 6: Final answer
    x = 927

Related Problems

Find fourth proportional to 822, 1,233 and 309
Half scale
Find fourth proportional to 3,288, 4,932 and 1,236
Double scale
Find fourth proportional to 1,645, 2,467.50 and 619
Similar ratio
Find fourth proportional to 2,466, 3,699 and 927
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.