Home / 1,502.71-2,243.00-1,392.75

Finding the Fourth Proportional to 1,502.71, 2,243.00 and 1,392.75

Calculator

Solution

The fourth proportional to 1,502.71, 2,243.00 and 1,392.75 is: 2,078.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,502.71 : 2,243.00 = 1,392.75 : x
  2. Step 2: Convert to fraction form
    1,502.71/2,243.00 = 1,392.75/x
  3. Step 3: Cross multiply
    1,502.71x = 2,243.00 × 1,392.75
  4. Step 4: Simplify right side
    1,502.71x = 3,123,941.73
  5. Step 5: Solve for x
    x = 3,123,941.73/1,502.71
  6. Step 6: Final answer
    x = 2,078.88

Related Problems

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.