Home / 2,051.86-3,077.82-512.86

Finding the Fourth Proportional to 2,051.86, 3,077.82 and 512.86

Calculator

Solution

The fourth proportional to 2,051.86, 3,077.82 and 512.86 is: 769.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,051.86 : 3,077.82 = 512.86 : x
  2. Step 2: Convert to fraction form
    2,051.86/3,077.82 = 512.86/x
  3. Step 3: Cross multiply
    2,051.86x = 3,077.82 × 512.86
  4. Step 4: Simplify right side
    2,051.86x = 1,578,490.77
  5. Step 5: Solve for x
    x = 1,578,490.77/2,051.86
  6. Step 6: Final answer
    x = 769.30

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.