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Finding the Fourth Proportional to 2,302.80, 3,449.04 and 1,146

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Solution

The fourth proportional to 2,302.80, 3,449.04 and 1,146 is: 1,716.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,302.80 : 3,449.04 = 1,146 : x
  2. Step 2: Convert to fraction form
    2,302.80/3,449.04 = 1,146/x
  3. Step 3: Cross multiply
    2,302.80x = 3,449.04 × 1,146
  4. Step 4: Simplify right side
    2,302.80x = 3,952,599.84
  5. Step 5: Solve for x
    x = 3,952,599.84/2,302.80
  6. Step 6: Final answer
    x = 1,716.43

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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.