Home / 1,307.66-1,961.76-383.25

Finding the Fourth Proportional to 1,307.66, 1,961.76 and 383.25

Calculator

Solution

The fourth proportional to 1,307.66, 1,961.76 and 383.25 is: 574.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,307.66 : 1,961.76 = 383.25 : x
  2. Step 2: Convert to fraction form
    1,307.66/1,961.76 = 383.25/x
  3. Step 3: Cross multiply
    1,307.66x = 1,961.76 × 383.25
  4. Step 4: Simplify right side
    1,307.66x = 751,833.27
  5. Step 5: Solve for x
    x = 751,833.27/1,307.66
  6. Step 6: Final answer
    x = 574.95

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.