Home / 1,051.37-1,577.25-434.73

Finding the Fourth Proportional to 1,051.37, 1,577.25 and 434.73

Calculator

Solution

The fourth proportional to 1,051.37, 1,577.25 and 434.73 is: 652.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,051.37 : 1,577.25 = 434.73 : x
  2. Step 2: Convert to fraction form
    1,051.37/1,577.25 = 434.73/x
  3. Step 3: Cross multiply
    1,051.37x = 1,577.25 × 434.73
  4. Step 4: Simplify right side
    1,051.37x = 685,679.66
  5. Step 5: Solve for x
    x = 685,679.66/1,051.37
  6. Step 6: Final answer
    x = 652.18

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.