Home / 2,202.60-3,302.14-1,107.40

Finding the Fourth Proportional to 2,202.60, 3,302.14 and 1,107.40

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Solution

The fourth proportional to 2,202.60, 3,302.14 and 1,107.40 is: 1,660.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,202.60 : 3,302.14 = 1,107.40 : x
  2. Step 2: Convert to fraction form
    2,202.60/3,302.14 = 1,107.40/x
  3. Step 3: Cross multiply
    2,202.60x = 3,302.14 × 1,107.40
  4. Step 4: Simplify right side
    2,202.60x = 3,656,789.84
  5. Step 5: Solve for x
    x = 3,656,789.84/2,202.60
  6. Step 6: Final answer
    x = 1,660.22

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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.