Home / 1,376.50-1,899.69-755.62

Finding the Fourth Proportional to 1,376.50, 1,899.69 and 755.62

Calculator

Solution

The fourth proportional to 1,376.50, 1,899.69 and 755.62 is: 1,042.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,376.50 : 1,899.69 = 755.62 : x
  2. Step 2: Convert to fraction form
    1,376.50/1,899.69 = 755.62/x
  3. Step 3: Cross multiply
    1,376.50x = 1,899.69 × 755.62
  4. Step 4: Simplify right side
    1,376.50x = 1,435,443.76
  5. Step 5: Solve for x
    x = 1,435,443.76/1,376.50
  6. Step 6: Final answer
    x = 1,042.82

Related Problems

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.