Home / 3,705.80-5,561.42-1,758.02

Finding the Fourth Proportional to 3,705.80, 5,561.42 and 1,758.02

Calculator

Solution

The fourth proportional to 3,705.80, 5,561.42 and 1,758.02 is: 2,638.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,705.80 : 5,561.42 = 1,758.02 : x
  2. Step 2: Convert to fraction form
    3,705.80/5,561.42 = 1,758.02/x
  3. Step 3: Cross multiply
    3,705.80x = 5,561.42 × 1,758.02
  4. Step 4: Simplify right side
    3,705.80x = 9,777,087.59
  5. Step 5: Solve for x
    x = 9,777,087.59/3,705.80
  6. Step 6: Final answer
    x = 2,638.32

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.