Home / 3,905.67-5,858.90-1,439.92

Finding the Fourth Proportional to 3,905.67, 5,858.90 and 1,439.92

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Solution

The fourth proportional to 3,905.67, 5,858.90 and 1,439.92 is: 2,160.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,905.67 : 5,858.90 = 1,439.92 : x
  2. Step 2: Convert to fraction form
    3,905.67/5,858.90 = 1,439.92/x
  3. Step 3: Cross multiply
    3,905.67x = 5,858.90 × 1,439.92
  4. Step 4: Simplify right side
    3,905.67x = 8,436,347.29
  5. Step 5: Solve for x
    x = 8,436,347.29/3,905.67
  6. Step 6: Final answer
    x = 2,160.03

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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.