Home / 1,100.68-1,650.86-370.16

Finding the Fourth Proportional to 1,100.68, 1,650.86 and 370.16

Calculator

Solution

The fourth proportional to 1,100.68, 1,650.86 and 370.16 is: 555.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,100.68 : 1,650.86 = 370.16 : x
  2. Step 2: Convert to fraction form
    1,100.68/1,650.86 = 370.16/x
  3. Step 3: Cross multiply
    1,100.68x = 1,650.86 × 370.16
  4. Step 4: Simplify right side
    1,100.68x = 611,081.89
  5. Step 5: Solve for x
    x = 611,081.89/1,100.68
  6. Step 6: Final answer
    x = 555.19

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.