Home / 4,080.78-6,120.20-2,302.61

Finding the Fourth Proportional to 4,080.78, 6,120.20 and 2,302.61

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Solution

The fourth proportional to 4,080.78, 6,120.20 and 2,302.61 is: 3,453.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,080.78 : 6,120.20 = 2,302.61 : x
  2. Step 2: Convert to fraction form
    4,080.78/6,120.20 = 2,302.61/x
  3. Step 3: Cross multiply
    4,080.78x = 6,120.20 × 2,302.61
  4. Step 4: Simplify right side
    4,080.78x = 14,092,408.88
  5. Step 5: Solve for x
    x = 14,092,408.88/4,080.78
  6. Step 6: Final answer
    x = 3,453.36

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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.