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Finding the Fourth Proportional to 3,293.84, 4,936.29 and 1,651.56

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Solution

The fourth proportional to 3,293.84, 4,936.29 and 1,651.56 is: 2,475.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,293.84 : 4,936.29 = 1,651.56 : x
  2. Step 2: Convert to fraction form
    3,293.84/4,936.29 = 1,651.56/x
  3. Step 3: Cross multiply
    3,293.84x = 4,936.29 × 1,651.56
  4. Step 4: Simplify right side
    3,293.84x = 8,152,579.11
  5. Step 5: Solve for x
    x = 8,152,579.11/3,293.84
  6. Step 6: Final answer
    x = 2,475.10

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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.