Home / 1,347.96-2,020.92-698.28

Finding the Fourth Proportional to 1,347.96, 2,020.92 and 698.28

Calculator

Solution

The fourth proportional to 1,347.96, 2,020.92 and 698.28 is: 1,046.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,347.96 : 2,020.92 = 698.28 : x
  2. Step 2: Convert to fraction form
    1,347.96/2,020.92 = 698.28/x
  3. Step 3: Cross multiply
    1,347.96x = 2,020.92 × 698.28
  4. Step 4: Simplify right side
    1,347.96x = 1,411,168.02
  5. Step 5: Solve for x
    x = 1,411,168.02/1,347.96
  6. Step 6: Final answer
    x = 1,046.89

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.