Home / 3,916.08-5,871.84-2,684.88

Finding the Fourth Proportional to 3,916.08, 5,871.84 and 2,684.88

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Solution

The fourth proportional to 3,916.08, 5,871.84 and 2,684.88 is: 4,025.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,916.08 : 5,871.84 = 2,684.88 : x
  2. Step 2: Convert to fraction form
    3,916.08/5,871.84 = 2,684.88/x
  3. Step 3: Cross multiply
    3,916.08x = 5,871.84 × 2,684.88
  4. Step 4: Simplify right side
    3,916.08x = 15,765,185.78
  5. Step 5: Solve for x
    x = 15,765,185.78/3,916.08
  6. Step 6: Final answer
    x = 4,025.76

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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.