Home / 3,905.21-5,860.26-2,057.65

Finding the Fourth Proportional to 3,905.21, 5,860.26 and 2,057.65

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Solution

The fourth proportional to 3,905.21, 5,860.26 and 2,057.65 is: 3,087.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,905.21 : 5,860.26 = 2,057.65 : x
  2. Step 2: Convert to fraction form
    3,905.21/5,860.26 = 2,057.65/x
  3. Step 3: Cross multiply
    3,905.21x = 5,860.26 × 2,057.65
  4. Step 4: Simplify right side
    3,905.21x = 12,058,349.34
  5. Step 5: Solve for x
    x = 12,058,349.34/3,905.21
  6. Step 6: Final answer
    x = 3,087.76

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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.