Home / 1,469.60-2,192.68-1,277.60

Finding the Fourth Proportional to 1,469.60, 2,192.68 and 1,277.60

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Solution

The fourth proportional to 1,469.60, 2,192.68 and 1,277.60 is: 1,906.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,469.60 : 2,192.68 = 1,277.60 : x
  2. Step 2: Convert to fraction form
    1,469.60/2,192.68 = 1,277.60/x
  3. Step 3: Cross multiply
    1,469.60x = 2,192.68 × 1,277.60
  4. Step 4: Simplify right side
    1,469.60x = 2,801,367.97
  5. Step 5: Solve for x
    x = 2,801,367.97/1,469.60
  6. Step 6: Final answer
    x = 1,906.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.