Home / 3,254.36-4,877.94-2,080.64

Finding the Fourth Proportional to 3,254.36, 4,877.94 and 2,080.64

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Solution

The fourth proportional to 3,254.36, 4,877.94 and 2,080.64 is: 3,118.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,254.36 : 4,877.94 = 2,080.64 : x
  2. Step 2: Convert to fraction form
    3,254.36/4,877.94 = 2,080.64/x
  3. Step 3: Cross multiply
    3,254.36x = 4,877.94 × 2,080.64
  4. Step 4: Simplify right side
    3,254.36x = 10,149,237.08
  5. Step 5: Solve for x
    x = 10,149,237.08/3,254.36
  6. Step 6: Final answer
    x = 3,118.66

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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.