Home / 3,905.90-5,861.14-1,442.44

Finding the Fourth Proportional to 3,905.90, 5,861.14 and 1,442.44

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Solution

The fourth proportional to 3,905.90, 5,861.14 and 1,442.44 is: 2,164.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,905.90 : 5,861.14 = 1,442.44 : x
  2. Step 2: Convert to fraction form
    3,905.90/5,861.14 = 1,442.44/x
  3. Step 3: Cross multiply
    3,905.90x = 5,861.14 × 1,442.44
  4. Step 4: Simplify right side
    3,905.90x = 8,454,342.78
  5. Step 5: Solve for x
    x = 8,454,342.78/3,905.90
  6. Step 6: Final answer
    x = 2,164.51

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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.