Home / 1,326.24-1,989.23-352.42

Finding the Fourth Proportional to 1,326.24, 1,989.23 and 352.42

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Solution

The fourth proportional to 1,326.24, 1,989.23 and 352.42 is: 528.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,326.24 : 1,989.23 = 352.42 : x
  2. Step 2: Convert to fraction form
    1,326.24/1,989.23 = 352.42/x
  3. Step 3: Cross multiply
    1,326.24x = 1,989.23 × 352.42
  4. Step 4: Simplify right side
    1,326.24x = 701,037.70
  5. Step 5: Solve for x
    x = 701,037.70/1,326.24
  6. Step 6: Final answer
    x = 528.59

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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.