Home / 2,680.71-3,699.38-1,501.79

Finding the Fourth Proportional to 2,680.71, 3,699.38 and 1,501.79

Calculator

Solution

The fourth proportional to 2,680.71, 3,699.38 and 1,501.79 is: 2,072.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,680.71 : 3,699.38 = 1,501.79 : x
  2. Step 2: Convert to fraction form
    2,680.71/3,699.38 = 1,501.79/x
  3. Step 3: Cross multiply
    2,680.71x = 3,699.38 × 1,501.79
  4. Step 4: Simplify right side
    2,680.71x = 5,555,704.89
  5. Step 5: Solve for x
    x = 5,555,704.89/2,680.71
  6. Step 6: Final answer
    x = 2,072.47

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.