Home / 3,351.29-5,025.92-1,269.72

Finding the Fourth Proportional to 3,351.29, 5,025.92 and 1,269.72

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Solution

The fourth proportional to 3,351.29, 5,025.92 and 1,269.72 is: 1,904.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,351.29 : 5,025.92 = 1,269.72 : x
  2. Step 2: Convert to fraction form
    3,351.29/5,025.92 = 1,269.72/x
  3. Step 3: Cross multiply
    3,351.29x = 5,025.92 × 1,269.72
  4. Step 4: Simplify right side
    3,351.29x = 6,381,504.79
  5. Step 5: Solve for x
    x = 6,381,504.79/3,351.29
  6. Step 6: Final answer
    x = 1,904.20

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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.