Home / 3,899.87-5,835.91-3,124.85

Finding the Fourth Proportional to 3,899.87, 5,835.91 and 3,124.85

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Solution

The fourth proportional to 3,899.87, 5,835.91 and 3,124.85 is: 4,676.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,899.87 : 5,835.91 = 3,124.85 : x
  2. Step 2: Convert to fraction form
    3,899.87/5,835.91 = 3,124.85/x
  3. Step 3: Cross multiply
    3,899.87x = 5,835.91 × 3,124.85
  4. Step 4: Simplify right side
    3,899.87x = 18,236,343.36
  5. Step 5: Solve for x
    x = 18,236,343.36/3,899.87
  6. Step 6: Final answer
    x = 4,676.14

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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.