Home / 1,760.80-2,427.69-1,130.21

Finding the Fourth Proportional to 1,760.80, 2,427.69 and 1,130.21

Calculator

Solution

The fourth proportional to 1,760.80, 2,427.69 and 1,130.21 is: 1,558.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,760.80 : 2,427.69 = 1,130.21 : x
  2. Step 2: Convert to fraction form
    1,760.80/2,427.69 = 1,130.21/x
  3. Step 3: Cross multiply
    1,760.80x = 2,427.69 × 1,130.21
  4. Step 4: Simplify right side
    1,760.80x = 2,743,799.51
  5. Step 5: Solve for x
    x = 2,743,799.51/1,760.80
  6. Step 6: Final answer
    x = 1,558.27

Related Problems

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.