Home / 3,926.28-5,884.21-2,171.68

Finding the Fourth Proportional to 3,926.28, 5,884.21 and 2,171.68

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Solution

The fourth proportional to 3,926.28, 5,884.21 and 2,171.68 is: 3,254.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,926.28 : 5,884.21 = 2,171.68 : x
  2. Step 2: Convert to fraction form
    3,926.28/5,884.21 = 2,171.68/x
  3. Step 3: Cross multiply
    3,926.28x = 5,884.21 × 2,171.68
  4. Step 4: Simplify right side
    3,926.28x = 12,778,621.17
  5. Step 5: Solve for x
    x = 12,778,621.17/3,926.28
  6. Step 6: Final answer
    x = 3,254.64

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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.