Home / 1,611.57-2,417.38-457.32

Finding the Fourth Proportional to 1,611.57, 2,417.38 and 457.32

Calculator

Solution

The fourth proportional to 1,611.57, 2,417.38 and 457.32 is: 685.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,611.57 : 2,417.38 = 457.32 : x
  2. Step 2: Convert to fraction form
    1,611.57/2,417.38 = 457.32/x
  3. Step 3: Cross multiply
    1,611.57x = 2,417.38 × 457.32
  4. Step 4: Simplify right side
    1,611.57x = 1,105,516.22
  5. Step 5: Solve for x
    x = 1,105,516.22/1,611.57
  6. Step 6: Final answer
    x = 685.99

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.