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Finding the Fourth Proportional to 3,396, 5,093.28 and 2,750.40

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Solution

The fourth proportional to 3,396, 5,093.28 and 2,750.40 is: 4,125.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,396 : 5,093.28 = 2,750.40 : x
  2. Step 2: Convert to fraction form
    3,396/5,093.28 = 2,750.40/x
  3. Step 3: Cross multiply
    3,396x = 5,093.28 × 2,750.40
  4. Step 4: Simplify right side
    3,396x = 14,008,557.31
  5. Step 5: Solve for x
    x = 14,008,557.31/3,396
  6. Step 6: Final answer
    x = 4,125.02

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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.