Home / 3,429.13-5,138.30-2,651.04

Finding the Fourth Proportional to 3,429.13, 5,138.30 and 2,651.04

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Solution

The fourth proportional to 3,429.13, 5,138.30 and 2,651.04 is: 3,972.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,429.13 : 5,138.30 = 2,651.04 : x
  2. Step 2: Convert to fraction form
    3,429.13/5,138.30 = 2,651.04/x
  3. Step 3: Cross multiply
    3,429.13x = 5,138.30 × 2,651.04
  4. Step 4: Simplify right side
    3,429.13x = 13,621,830.55
  5. Step 5: Solve for x
    x = 13,621,830.55/3,429.13
  6. Step 6: Final answer
    x = 3,972.39

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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.