Home / 2,864.84-4,297.25-784.86

Finding the Fourth Proportional to 2,864.84, 4,297.25 and 784.86

Calculator

Solution

The fourth proportional to 2,864.84, 4,297.25 and 784.86 is: 1,177.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,864.84 : 4,297.25 = 784.86 : x
  2. Step 2: Convert to fraction form
    2,864.84/4,297.25 = 784.86/x
  3. Step 3: Cross multiply
    2,864.84x = 4,297.25 × 784.86
  4. Step 4: Simplify right side
    2,864.84x = 3,372,739.64
  5. Step 5: Solve for x
    x = 3,372,739.64/2,864.84
  6. Step 6: Final answer
    x = 1,177.29

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.