Home / 1,011.84-1,517.64-327.84

Finding the Fourth Proportional to 1,011.84, 1,517.64 and 327.84

Calculator

Solution

The fourth proportional to 1,011.84, 1,517.64 and 327.84 is: 491.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,011.84 : 1,517.64 = 327.84 : x
  2. Step 2: Convert to fraction form
    1,011.84/1,517.64 = 327.84/x
  3. Step 3: Cross multiply
    1,011.84x = 1,517.64 × 327.84
  4. Step 4: Simplify right side
    1,011.84x = 497,543.10
  5. Step 5: Solve for x
    x = 497,543.10/1,011.84
  6. Step 6: Final answer
    x = 491.72

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.