Home / 3,475.20-5,212.80-1,009.92

Finding the Fourth Proportional to 3,475.20, 5,212.80 and 1,009.92

Calculator

Solution

The fourth proportional to 3,475.20, 5,212.80 and 1,009.92 is: 1,514.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,475.20 : 5,212.80 = 1,009.92 : x
  2. Step 2: Convert to fraction form
    3,475.20/5,212.80 = 1,009.92/x
  3. Step 3: Cross multiply
    3,475.20x = 5,212.80 × 1,009.92
  4. Step 4: Simplify right side
    3,475.20x = 5,264,510.98
  5. Step 5: Solve for x
    x = 5,264,510.98/3,475.20
  6. Step 6: Final answer
    x = 1,514.88

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.