Home / 2,221.04-3,348.41-2,101.97

Finding the Fourth Proportional to 2,221.04, 3,348.41 and 2,101.97

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Solution

The fourth proportional to 2,221.04, 3,348.41 and 2,101.97 is: 3,168.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,221.04 : 3,348.41 = 2,101.97 : x
  2. Step 2: Convert to fraction form
    2,221.04/3,348.41 = 2,101.97/x
  3. Step 3: Cross multiply
    2,221.04x = 3,348.41 × 2,101.97
  4. Step 4: Simplify right side
    2,221.04x = 7,038,230.12
  5. Step 5: Solve for x
    x = 7,038,230.12/2,221.04
  6. Step 6: Final answer
    x = 3,168.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.