Home / 2,007.92-3,012-547.22

Finding the Fourth Proportional to 2,007.92, 3,012 and 547.22

Calculator

Solution

The fourth proportional to 2,007.92, 3,012 and 547.22 is: 820.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,007.92 : 3,012 = 547.22 : x
  2. Step 2: Convert to fraction form
    2,007.92/3,012 = 547.22/x
  3. Step 3: Cross multiply
    2,007.92x = 3,012 × 547.22
  4. Step 4: Simplify right side
    2,007.92x = 1,648,226.64
  5. Step 5: Solve for x
    x = 1,648,226.64/2,007.92
  6. Step 6: Final answer
    x = 820.86

Related Problems

Find fourth proportional to 1,003.96, 1,506 and 273.61
Half scale
Find fourth proportional to 4,015.84, 6,024 and 1,094.44
Double scale
Find fourth proportional to 2,008.92, 3,013.50 and 548.22
Similar ratio
Find fourth proportional to 3,011.88, 4,518 and 820.83
1.5x scale

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.