Home / 1,972.48-2,958.67-511.58

Finding the Fourth Proportional to 1,972.48, 2,958.67 and 511.58

Calculator

Solution

The fourth proportional to 1,972.48, 2,958.67 and 511.58 is: 767.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,972.48 : 2,958.67 = 511.58 : x
  2. Step 2: Convert to fraction form
    1,972.48/2,958.67 = 511.58/x
  3. Step 3: Cross multiply
    1,972.48x = 2,958.67 × 511.58
  4. Step 4: Simplify right side
    1,972.48x = 1,513,596.40
  5. Step 5: Solve for x
    x = 1,513,596.40/1,972.48
  6. Step 6: Final answer
    x = 767.36

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.