Home / 1,177.34-1,624.72-646.25

Finding the Fourth Proportional to 1,177.34, 1,624.72 and 646.25

Calculator

Solution

The fourth proportional to 1,177.34, 1,624.72 and 646.25 is: 891.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,177.34 : 1,624.72 = 646.25 : x
  2. Step 2: Convert to fraction form
    1,177.34/1,624.72 = 646.25/x
  3. Step 3: Cross multiply
    1,177.34x = 1,624.72 × 646.25
  4. Step 4: Simplify right side
    1,177.34x = 1,049,977.75
  5. Step 5: Solve for x
    x = 1,049,977.75/1,177.34
  6. Step 6: Final answer
    x = 891.83

Related Problems

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.