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Finding the Fourth Proportional to 1,808.49, 2,708.10 and 1,602.43

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Solution

The fourth proportional to 1,808.49, 2,708.10 and 1,602.43 is: 2,399.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,808.49 : 2,708.10 = 1,602.43 : x
  2. Step 2: Convert to fraction form
    1,808.49/2,708.10 = 1,602.43/x
  3. Step 3: Cross multiply
    1,808.49x = 2,708.10 × 1,602.43
  4. Step 4: Simplify right side
    1,808.49x = 4,339,540.68
  5. Step 5: Solve for x
    x = 4,339,540.68/1,808.49
  6. Step 6: Final answer
    x = 2,399.54

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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.