Home / 1,082.68-1,623.50-352.18

Finding the Fourth Proportional to 1,082.68, 1,623.50 and 352.18

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Solution

The fourth proportional to 1,082.68, 1,623.50 and 352.18 is: 528.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,082.68 : 1,623.50 = 352.18 : x
  2. Step 2: Convert to fraction form
    1,082.68/1,623.50 = 352.18/x
  3. Step 3: Cross multiply
    1,082.68x = 1,623.50 × 352.18
  4. Step 4: Simplify right side
    1,082.68x = 571,764.23
  5. Step 5: Solve for x
    x = 571,764.23/1,082.68
  6. Step 6: Final answer
    x = 528.10

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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.