Home / 3,783.11-5,221.18-2,291.09

Finding the Fourth Proportional to 3,783.11, 5,221.18 and 2,291.09

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Solution

The fourth proportional to 3,783.11, 5,221.18 and 2,291.09 is: 3,162.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,783.11 : 5,221.18 = 2,291.09 : x
  2. Step 2: Convert to fraction form
    3,783.11/5,221.18 = 2,291.09/x
  3. Step 3: Cross multiply
    3,783.11x = 5,221.18 × 2,291.09
  4. Step 4: Simplify right side
    3,783.11x = 11,962,181.83
  5. Step 5: Solve for x
    x = 11,962,181.83/3,783.11
  6. Step 6: Final answer
    x = 3,162.00

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.