Home / 1,187.25-1,781.15-365.59

Finding the Fourth Proportional to 1,187.25, 1,781.15 and 365.59

Calculator

Solution

The fourth proportional to 1,187.25, 1,781.15 and 365.59 is: 548.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,187.25 : 1,781.15 = 365.59 : x
  2. Step 2: Convert to fraction form
    1,187.25/1,781.15 = 365.59/x
  3. Step 3: Cross multiply
    1,187.25x = 1,781.15 × 365.59
  4. Step 4: Simplify right side
    1,187.25x = 651,170.63
  5. Step 5: Solve for x
    x = 651,170.63/1,187.25
  6. Step 6: Final answer
    x = 548.47

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.