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Finding the Fourth Proportional to 3,277.42, 4,916.14 and 2,728.45

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Solution

The fourth proportional to 3,277.42, 4,916.14 and 2,728.45 is: 4,092.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,277.42 : 4,916.14 = 2,728.45 : x
  2. Step 2: Convert to fraction form
    3,277.42/4,916.14 = 2,728.45/x
  3. Step 3: Cross multiply
    3,277.42x = 4,916.14 × 2,728.45
  4. Step 4: Simplify right side
    3,277.42x = 13,413,449.96
  5. Step 5: Solve for x
    x = 13,413,449.96/3,277.42
  6. Step 6: Final answer
    x = 4,092.68

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1.5x scale

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.