Home / 2,093.69-2,889.69-1,385.54

Finding the Fourth Proportional to 2,093.69, 2,889.69 and 1,385.54

Calculator

Solution

The fourth proportional to 2,093.69, 2,889.69 and 1,385.54 is: 1,912.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,093.69 : 2,889.69 = 1,385.54 : x
  2. Step 2: Convert to fraction form
    2,093.69/2,889.69 = 1,385.54/x
  3. Step 3: Cross multiply
    2,093.69x = 2,889.69 × 1,385.54
  4. Step 4: Simplify right side
    2,093.69x = 4,003,774.15
  5. Step 5: Solve for x
    x = 4,003,774.15/2,093.69
  6. Step 6: Final answer
    x = 1,912.31

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.