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Finding the Fourth Proportional to 3,514.79, 4,850.39 and 1,942.88

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Solution

The fourth proportional to 3,514.79, 4,850.39 and 1,942.88 is: 2,681.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,514.79 : 4,850.39 = 1,942.88 : x
  2. Step 2: Convert to fraction form
    3,514.79/4,850.39 = 1,942.88/x
  3. Step 3: Cross multiply
    3,514.79x = 4,850.39 × 1,942.88
  4. Step 4: Simplify right side
    3,514.79x = 9,423,706.33
  5. Step 5: Solve for x
    x = 9,423,706.33/3,514.79
  6. Step 6: Final answer
    x = 2,681.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.