Home / 1,374.35-1,896.71-784.94

Finding the Fourth Proportional to 1,374.35, 1,896.71 and 784.94

Calculator

Solution

The fourth proportional to 1,374.35, 1,896.71 and 784.94 is: 1,083.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,374.35 : 1,896.71 = 784.94 : x
  2. Step 2: Convert to fraction form
    1,374.35/1,896.71 = 784.94/x
  3. Step 3: Cross multiply
    1,374.35x = 1,896.71 × 784.94
  4. Step 4: Simplify right side
    1,374.35x = 1,488,790.14
  5. Step 5: Solve for x
    x = 1,488,790.14/1,374.35
  6. Step 6: Final answer
    x = 1,083.27

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.