Home / 3,910.63-5,861.85-2,429.85

Finding the Fourth Proportional to 3,910.63, 5,861.85 and 2,429.85

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Solution

The fourth proportional to 3,910.63, 5,861.85 and 2,429.85 is: 3,642.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,910.63 : 5,861.85 = 2,429.85 : x
  2. Step 2: Convert to fraction form
    3,910.63/5,861.85 = 2,429.85/x
  3. Step 3: Cross multiply
    3,910.63x = 5,861.85 × 2,429.85
  4. Step 4: Simplify right side
    3,910.63x = 14,243,416.22
  5. Step 5: Solve for x
    x = 14,243,416.22/3,910.63
  6. Step 6: Final answer
    x = 3,642.23

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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.