Home / 1,998.06-2,757.30-1,113.96

Finding the Fourth Proportional to 1,998.06, 2,757.30 and 1,113.96

Calculator

Solution

The fourth proportional to 1,998.06, 2,757.30 and 1,113.96 is: 1,537.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,998.06 : 2,757.30 = 1,113.96 : x
  2. Step 2: Convert to fraction form
    1,998.06/2,757.30 = 1,113.96/x
  3. Step 3: Cross multiply
    1,998.06x = 2,757.30 × 1,113.96
  4. Step 4: Simplify right side
    1,998.06x = 3,071,521.91
  5. Step 5: Solve for x
    x = 3,071,521.91/1,998.06
  6. Step 6: Final answer
    x = 1,537.25

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.