Home / 1,382.40-2,074.41-560.55

Finding the Fourth Proportional to 1,382.40, 2,074.41 and 560.55

Calculator

Solution

The fourth proportional to 1,382.40, 2,074.41 and 560.55 is: 841.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,382.40 : 2,074.41 = 560.55 : x
  2. Step 2: Convert to fraction form
    1,382.40/2,074.41 = 560.55/x
  3. Step 3: Cross multiply
    1,382.40x = 2,074.41 × 560.55
  4. Step 4: Simplify right side
    1,382.40x = 1,162,818.30
  5. Step 5: Solve for x
    x = 1,162,818.30/1,382.40
  6. Step 6: Final answer
    x = 841.16

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.