Home / 3,353.15-5,029.72-1,272.66

Finding the Fourth Proportional to 3,353.15, 5,029.72 and 1,272.66

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Solution

The fourth proportional to 3,353.15, 5,029.72 and 1,272.66 is: 1,908.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,353.15 : 5,029.72 = 1,272.66 : x
  2. Step 2: Convert to fraction form
    3,353.15/5,029.72 = 1,272.66/x
  3. Step 3: Cross multiply
    3,353.15x = 5,029.72 × 1,272.66
  4. Step 4: Simplify right side
    3,353.15x = 6,401,138.65
  5. Step 5: Solve for x
    x = 6,401,138.65/3,353.15
  6. Step 6: Final answer
    x = 1,908.99

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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.