Home / 1,676.70-2,311.83-1,397.34

Finding the Fourth Proportional to 1,676.70, 2,311.83 and 1,397.34

Calculator

Solution

The fourth proportional to 1,676.70, 2,311.83 and 1,397.34 is: 1,926.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,676.70 : 2,311.83 = 1,397.34 : x
  2. Step 2: Convert to fraction form
    1,676.70/2,311.83 = 1,397.34/x
  3. Step 3: Cross multiply
    1,676.70x = 2,311.83 × 1,397.34
  4. Step 4: Simplify right side
    1,676.70x = 3,230,412.53
  5. Step 5: Solve for x
    x = 3,230,412.53/1,676.70
  6. Step 6: Final answer
    x = 1,926.65

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.