Home / 3,553.28-5,330.82-1,605.02

Finding the Fourth Proportional to 3,553.28, 5,330.82 and 1,605.02

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Solution

The fourth proportional to 3,553.28, 5,330.82 and 1,605.02 is: 2,407.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,553.28 : 5,330.82 = 1,605.02 : x
  2. Step 2: Convert to fraction form
    3,553.28/5,330.82 = 1,605.02/x
  3. Step 3: Cross multiply
    3,553.28x = 5,330.82 × 1,605.02
  4. Step 4: Simplify right side
    3,553.28x = 8,556,072.72
  5. Step 5: Solve for x
    x = 8,556,072.72/3,553.28
  6. Step 6: Final answer
    x = 2,407.94

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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.