Home / 3,429.60-5,140.94-1,351.07

Finding the Fourth Proportional to 3,429.60, 5,140.94 and 1,351.07

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Solution

The fourth proportional to 3,429.60, 5,140.94 and 1,351.07 is: 2,025.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,429.60 : 5,140.94 = 1,351.07 : x
  2. Step 2: Convert to fraction form
    3,429.60/5,140.94 = 1,351.07/x
  3. Step 3: Cross multiply
    3,429.60x = 5,140.94 × 1,351.07
  4. Step 4: Simplify right side
    3,429.60x = 6,945,737.35
  5. Step 5: Solve for x
    x = 6,945,737.35/3,429.60
  6. Step 6: Final answer
    x = 2,025.23

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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.