Home / 3,006.64-4,510.23-815.38

Finding the Fourth Proportional to 3,006.64, 4,510.23 and 815.38

Calculator

Solution

The fourth proportional to 3,006.64, 4,510.23 and 815.38 is: 1,223.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,006.64 : 4,510.23 = 815.38 : x
  2. Step 2: Convert to fraction form
    3,006.64/4,510.23 = 815.38/x
  3. Step 3: Cross multiply
    3,006.64x = 4,510.23 × 815.38
  4. Step 4: Simplify right side
    3,006.64x = 3,677,551.34
  5. Step 5: Solve for x
    x = 3,677,551.34/3,006.64
  6. Step 6: Final answer
    x = 1,223.14

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.