Home / 1,978.50-2,967.30-746.04

Finding the Fourth Proportional to 1,978.50, 2,967.30 and 746.04

Calculator

Solution

The fourth proportional to 1,978.50, 2,967.30 and 746.04 is: 1,118.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,978.50 : 2,967.30 = 746.04 : x
  2. Step 2: Convert to fraction form
    1,978.50/2,967.30 = 746.04/x
  3. Step 3: Cross multiply
    1,978.50x = 2,967.30 × 746.04
  4. Step 4: Simplify right side
    1,978.50x = 2,213,724.49
  5. Step 5: Solve for x
    x = 2,213,724.49/1,978.50
  6. Step 6: Final answer
    x = 1,118.89

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.