Home / 3,108.97-4,659.61-1,442.09

Finding the Fourth Proportional to 3,108.97, 4,659.61 and 1,442.09

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Solution

The fourth proportional to 3,108.97, 4,659.61 and 1,442.09 is: 2,161.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,108.97 : 4,659.61 = 1,442.09 : x
  2. Step 2: Convert to fraction form
    3,108.97/4,659.61 = 1,442.09/x
  3. Step 3: Cross multiply
    3,108.97x = 4,659.61 × 1,442.09
  4. Step 4: Simplify right side
    3,108.97x = 6,719,576.98
  5. Step 5: Solve for x
    x = 6,719,576.98/3,108.97
  6. Step 6: Final answer
    x = 2,161.35

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1.5x scale

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.