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Finding the Fourth Proportional to 3,843.37, 5,760.06 and 2,916.19

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Solution

The fourth proportional to 3,843.37, 5,760.06 and 2,916.19 is: 4,370.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,843.37 : 5,760.06 = 2,916.19 : x
  2. Step 2: Convert to fraction form
    3,843.37/5,760.06 = 2,916.19/x
  3. Step 3: Cross multiply
    3,843.37x = 5,760.06 × 2,916.19
  4. Step 4: Simplify right side
    3,843.37x = 16,797,429.37
  5. Step 5: Solve for x
    x = 16,797,429.37/3,843.37
  6. Step 6: Final answer
    x = 4,370.50

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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.