Home / 2,201.90-3,302.85-2,104.70

Finding the Fourth Proportional to 2,201.90, 3,302.85 and 2,104.70

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Solution

The fourth proportional to 2,201.90, 3,302.85 and 2,104.70 is: 3,157.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,201.90 : 3,302.85 = 2,104.70 : x
  2. Step 2: Convert to fraction form
    2,201.90/3,302.85 = 2,104.70/x
  3. Step 3: Cross multiply
    2,201.90x = 3,302.85 × 2,104.70
  4. Step 4: Simplify right side
    2,201.90x = 6,951,508.40
  5. Step 5: Solve for x
    x = 6,951,508.40/2,201.90
  6. Step 6: Final answer
    x = 3,157.05

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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.