Home / 1,356.56-1,872.06-735.56

Finding the Fourth Proportional to 1,356.56, 1,872.06 and 735.56

Calculator

Solution

The fourth proportional to 1,356.56, 1,872.06 and 735.56 is: 1,015.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,356.56 : 1,872.06 = 735.56 : x
  2. Step 2: Convert to fraction form
    1,356.56/1,872.06 = 735.56/x
  3. Step 3: Cross multiply
    1,356.56x = 1,872.06 × 735.56
  4. Step 4: Simplify right side
    1,356.56x = 1,377,012.45
  5. Step 5: Solve for x
    x = 1,377,012.45/1,356.56
  6. Step 6: Final answer
    x = 1,015.08

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.