Home / 1,930.95-2,666.90-1,300.38

Finding the Fourth Proportional to 1,930.95, 2,666.90 and 1,300.38

Calculator

Solution

The fourth proportional to 1,930.95, 2,666.90 and 1,300.38 is: 1,796.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,930.95 : 2,666.90 = 1,300.38 : x
  2. Step 2: Convert to fraction form
    1,930.95/2,666.90 = 1,300.38/x
  3. Step 3: Cross multiply
    1,930.95x = 2,666.90 × 1,300.38
  4. Step 4: Simplify right side
    1,930.95x = 3,467,989.24
  5. Step 5: Solve for x
    x = 3,467,989.24/1,930.95
  6. Step 6: Final answer
    x = 1,796.00

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.