Home / 1,166.41-1,749.60-549.78

Finding the Fourth Proportional to 1,166.41, 1,749.60 and 549.78

Calculator

Solution

The fourth proportional to 1,166.41, 1,749.60 and 549.78 is: 824.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,166.41 : 1,749.60 = 549.78 : x
  2. Step 2: Convert to fraction form
    1,166.41/1,749.60 = 549.78/x
  3. Step 3: Cross multiply
    1,166.41x = 1,749.60 × 549.78
  4. Step 4: Simplify right side
    1,166.41x = 961,895.09
  5. Step 5: Solve for x
    x = 961,895.09/1,166.41
  6. Step 6: Final answer
    x = 824.66

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.