Home / 1,641.84-2,462.56-487.68

Finding the Fourth Proportional to 1,641.84, 2,462.56 and 487.68

Calculator

Solution

The fourth proportional to 1,641.84, 2,462.56 and 487.68 is: 731.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,641.84 : 2,462.56 = 487.68 : x
  2. Step 2: Convert to fraction form
    1,641.84/2,462.56 = 487.68/x
  3. Step 3: Cross multiply
    1,641.84x = 2,462.56 × 487.68
  4. Step 4: Simplify right side
    1,641.84x = 1,200,941.26
  5. Step 5: Solve for x
    x = 1,200,941.26/1,641.84
  6. Step 6: Final answer
    x = 731.46

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.