Home / 1,523.57-2,285.36-427.95

Finding the Fourth Proportional to 1,523.57, 2,285.36 and 427.95

Calculator

Solution

The fourth proportional to 1,523.57, 2,285.36 and 427.95 is: 641.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,523.57 : 2,285.36 = 427.95 : x
  2. Step 2: Convert to fraction form
    1,523.57/2,285.36 = 427.95/x
  3. Step 3: Cross multiply
    1,523.57x = 2,285.36 × 427.95
  4. Step 4: Simplify right side
    1,523.57x = 978,020.88
  5. Step 5: Solve for x
    x = 978,020.88/1,523.57
  6. Step 6: Final answer
    x = 641.93

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.