Home / 2,208.72-3,047.01-1,369.12

Finding the Fourth Proportional to 2,208.72, 3,047.01 and 1,369.12

Calculator

Solution

The fourth proportional to 2,208.72, 3,047.01 and 1,369.12 is: 1,888.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,208.72 : 3,047.01 = 1,369.12 : x
  2. Step 2: Convert to fraction form
    2,208.72/3,047.01 = 1,369.12/x
  3. Step 3: Cross multiply
    2,208.72x = 3,047.01 × 1,369.12
  4. Step 4: Simplify right side
    2,208.72x = 4,171,728.46
  5. Step 5: Solve for x
    x = 4,171,728.46/2,208.72
  6. Step 6: Final answer
    x = 1,888.75

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.