Home / 2,077.93-2,871.35-1,976.69

Finding the Fourth Proportional to 2,077.93, 2,871.35 and 1,976.69

Calculator

Solution

The fourth proportional to 2,077.93, 2,871.35 and 1,976.69 is: 2,731.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,077.93 : 2,871.35 = 1,976.69 : x
  2. Step 2: Convert to fraction form
    2,077.93/2,871.35 = 1,976.69/x
  3. Step 3: Cross multiply
    2,077.93x = 2,871.35 × 1,976.69
  4. Step 4: Simplify right side
    2,077.93x = 5,675,758.95
  5. Step 5: Solve for x
    x = 5,675,758.95/2,077.93
  6. Step 6: Final answer
    x = 2,731.45

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.