Home / 3,884.40-5,812.92-3,182.64

Finding the Fourth Proportional to 3,884.40, 5,812.92 and 3,182.64

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Solution

The fourth proportional to 3,884.40, 5,812.92 and 3,182.64 is: 4,762.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,884.40 : 5,812.92 = 3,182.64 : x
  2. Step 2: Convert to fraction form
    3,884.40/5,812.92 = 3,182.64/x
  3. Step 3: Cross multiply
    3,884.40x = 5,812.92 × 3,182.64
  4. Step 4: Simplify right side
    3,884.40x = 18,500,431.71
  5. Step 5: Solve for x
    x = 18,500,431.71/3,884.40
  6. Step 6: Final answer
    x = 4,762.75

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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.