Home / 1,161.24-1,602.66-657.20

Finding the Fourth Proportional to 1,161.24, 1,602.66 and 657.20

Calculator

Solution

The fourth proportional to 1,161.24, 1,602.66 and 657.20 is: 907.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,161.24 : 1,602.66 = 657.20 : x
  2. Step 2: Convert to fraction form
    1,161.24/1,602.66 = 657.20/x
  3. Step 3: Cross multiply
    1,161.24x = 1,602.66 × 657.20
  4. Step 4: Simplify right side
    1,161.24x = 1,053,268.15
  5. Step 5: Solve for x
    x = 1,053,268.15/1,161.24
  6. Step 6: Final answer
    x = 907.02

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.