Home / 1,649.37-2,474.33-783.39

Finding the Fourth Proportional to 1,649.37, 2,474.33 and 783.39

Calculator

Solution

The fourth proportional to 1,649.37, 2,474.33 and 783.39 is: 1,175.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,649.37 : 2,474.33 = 783.39 : x
  2. Step 2: Convert to fraction form
    1,649.37/2,474.33 = 783.39/x
  3. Step 3: Cross multiply
    1,649.37x = 2,474.33 × 783.39
  4. Step 4: Simplify right side
    1,649.37x = 1,938,361.46
  5. Step 5: Solve for x
    x = 1,938,361.46/1,649.37
  6. Step 6: Final answer
    x = 1,175.21

Related Problems

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.