Home / 4,902.39-7,348.12-2,131.38

Finding the Fourth Proportional to 4,902.39, 7,348.12 and 2,131.38

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Solution

The fourth proportional to 4,902.39, 7,348.12 and 2,131.38 is: 3,194.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,902.39 : 7,348.12 = 2,131.38 : x
  2. Step 2: Convert to fraction form
    4,902.39/7,348.12 = 2,131.38/x
  3. Step 3: Cross multiply
    4,902.39x = 7,348.12 × 2,131.38
  4. Step 4: Simplify right side
    4,902.39x = 15,661,630.68
  5. Step 5: Solve for x
    x = 15,661,630.68/4,902.39
  6. Step 6: Final answer
    x = 3,194.69

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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.