Home / 3,049.34-4,201.88-2,105.42

Finding the Fourth Proportional to 3,049.34, 4,201.88 and 2,105.42

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Solution

The fourth proportional to 3,049.34, 4,201.88 and 2,105.42 is: 2,901.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,049.34 : 4,201.88 = 2,105.42 : x
  2. Step 2: Convert to fraction form
    3,049.34/4,201.88 = 2,105.42/x
  3. Step 3: Cross multiply
    3,049.34x = 4,201.88 × 2,105.42
  4. Step 4: Simplify right side
    3,049.34x = 8,846,722.19
  5. Step 5: Solve for x
    x = 8,846,722.19/3,049.34
  6. Step 6: Final answer
    x = 2,901.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.