Home / 3,808.21-5,708.43-2,575.75

Finding the Fourth Proportional to 3,808.21, 5,708.43 and 2,575.75

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Solution

The fourth proportional to 3,808.21, 5,708.43 and 2,575.75 is: 3,861.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,808.21 : 5,708.43 = 2,575.75 : x
  2. Step 2: Convert to fraction form
    3,808.21/5,708.43 = 2,575.75/x
  3. Step 3: Cross multiply
    3,808.21x = 5,708.43 × 2,575.75
  4. Step 4: Simplify right side
    3,808.21x = 14,703,488.57
  5. Step 5: Solve for x
    x = 14,703,488.57/3,808.21
  6. Step 6: Final answer
    x = 3,861.00

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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.