Home / 2,808.72-3,876.05-1,532.69

Finding the Fourth Proportional to 2,808.72, 3,876.05 and 1,532.69

Calculator

Solution

The fourth proportional to 2,808.72, 3,876.05 and 1,532.69 is: 2,115.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,808.72 : 3,876.05 = 1,532.69 : x
  2. Step 2: Convert to fraction form
    2,808.72/3,876.05 = 1,532.69/x
  3. Step 3: Cross multiply
    2,808.72x = 3,876.05 × 1,532.69
  4. Step 4: Simplify right side
    2,808.72x = 5,940,780.59
  5. Step 5: Solve for x
    x = 5,940,780.59/2,808.72
  6. Step 6: Final answer
    x = 2,115.12

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.