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Finding the Fourth Proportional to 2,902.38, 4,374.99 and 2,733.03

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Solution

The fourth proportional to 2,902.38, 4,374.99 and 2,733.03 is: 4,119.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,902.38 : 4,374.99 = 2,733.03 : x
  2. Step 2: Convert to fraction form
    2,902.38/4,374.99 = 2,733.03/x
  3. Step 3: Cross multiply
    2,902.38x = 4,374.99 × 2,733.03
  4. Step 4: Simplify right side
    2,902.38x = 11,956,978.92
  5. Step 5: Solve for x
    x = 11,956,978.92/2,902.38
  6. Step 6: Final answer
    x = 4,119.72

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.