Home / 2,689.71-3,711.81-1,494.72

Finding the Fourth Proportional to 2,689.71, 3,711.81 and 1,494.72

Calculator

Solution

The fourth proportional to 2,689.71, 3,711.81 and 1,494.72 is: 2,062.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,689.71 : 3,711.81 = 1,494.72 : x
  2. Step 2: Convert to fraction form
    2,689.71/3,711.81 = 1,494.72/x
  3. Step 3: Cross multiply
    2,689.71x = 3,711.81 × 1,494.72
  4. Step 4: Simplify right side
    2,689.71x = 5,548,116.64
  5. Step 5: Solve for x
    x = 5,548,116.64/2,689.71
  6. Step 6: Final answer
    x = 2,062.72

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.