Home / 2,895.92-4,344-815.96

Finding the Fourth Proportional to 2,895.92, 4,344 and 815.96

Calculator

Solution

The fourth proportional to 2,895.92, 4,344 and 815.96 is: 1,223.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,895.92 : 4,344 = 815.96 : x
  2. Step 2: Convert to fraction form
    2,895.92/4,344 = 815.96/x
  3. Step 3: Cross multiply
    2,895.92x = 4,344 × 815.96
  4. Step 4: Simplify right side
    2,895.92x = 3,544,530.24
  5. Step 5: Solve for x
    x = 3,544,530.24/2,895.92
  6. Step 6: Final answer
    x = 1,223.97

Related Problems

Find fourth proportional to 1,447.96, 2,172 and 407.98
Half scale
Find fourth proportional to 5,791.84, 8,688 and 1,631.92
Double scale
Find fourth proportional to 2,896.92, 4,345.50 and 816.96
Similar ratio
Find fourth proportional to 4,343.88, 6,516 and 1,223.94
1.5x scale

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.