Home / 1,082.38-1,623.80-352.47

Finding the Fourth Proportional to 1,082.38, 1,623.80 and 352.47

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Solution

The fourth proportional to 1,082.38, 1,623.80 and 352.47 is: 528.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,082.38 : 1,623.80 = 352.47 : x
  2. Step 2: Convert to fraction form
    1,082.38/1,623.80 = 352.47/x
  3. Step 3: Cross multiply
    1,082.38x = 1,623.80 × 352.47
  4. Step 4: Simplify right side
    1,082.38x = 572,340.79
  5. Step 5: Solve for x
    x = 572,340.79/1,082.38
  6. Step 6: Final answer
    x = 528.78

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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.