Home / 2,775.81-3,830.61-1,516.87

Finding the Fourth Proportional to 2,775.81, 3,830.61 and 1,516.87

Calculator

Solution

The fourth proportional to 2,775.81, 3,830.61 and 1,516.87 is: 2,093.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,775.81 : 3,830.61 = 1,516.87 : x
  2. Step 2: Convert to fraction form
    2,775.81/3,830.61 = 1,516.87/x
  3. Step 3: Cross multiply
    2,775.81x = 3,830.61 × 1,516.87
  4. Step 4: Simplify right side
    2,775.81x = 5,810,537.39
  5. Step 5: Solve for x
    x = 5,810,537.39/2,775.81
  6. Step 6: Final answer
    x = 2,093.28

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.