Home / 2,671.71-4,008.57-1,111.31

Finding the Fourth Proportional to 2,671.71, 4,008.57 and 1,111.31

Calculator

Solution

The fourth proportional to 2,671.71, 4,008.57 and 1,111.31 is: 1,667.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,671.71 : 4,008.57 = 1,111.31 : x
  2. Step 2: Convert to fraction form
    2,671.71/4,008.57 = 1,111.31/x
  3. Step 3: Cross multiply
    2,671.71x = 4,008.57 × 1,111.31
  4. Step 4: Simplify right side
    2,671.71x = 4,454,763.93
  5. Step 5: Solve for x
    x = 4,454,763.93/2,671.71
  6. Step 6: Final answer
    x = 1,667.38

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.