Home / 1,359.72-1,877.49-887.94

Finding the Fourth Proportional to 1,359.72, 1,877.49 and 887.94

Calculator

Solution

The fourth proportional to 1,359.72, 1,877.49 and 887.94 is: 1,226.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,359.72 : 1,877.49 = 887.94 : x
  2. Step 2: Convert to fraction form
    1,359.72/1,877.49 = 887.94/x
  3. Step 3: Cross multiply
    1,359.72x = 1,877.49 × 887.94
  4. Step 4: Simplify right side
    1,359.72x = 1,667,098.47
  5. Step 5: Solve for x
    x = 1,667,098.47/1,359.72
  6. Step 6: Final answer
    x = 1,226.06

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.