Home / 3,815.21-5,711.69-2,349.92

Finding the Fourth Proportional to 3,815.21, 5,711.69 and 2,349.92

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Solution

The fourth proportional to 3,815.21, 5,711.69 and 2,349.92 is: 3,518.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,815.21 : 5,711.69 = 2,349.92 : x
  2. Step 2: Convert to fraction form
    3,815.21/5,711.69 = 2,349.92/x
  3. Step 3: Cross multiply
    3,815.21x = 5,711.69 × 2,349.92
  4. Step 4: Simplify right side
    3,815.21x = 13,421,991.88
  5. Step 5: Solve for x
    x = 13,421,991.88/3,815.21
  6. Step 6: Final answer
    x = 3,518.03

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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.