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Finding the Fourth Proportional to 3,950.35, 5,929.74 and 3,514.39

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Solution

The fourth proportional to 3,950.35, 5,929.74 and 3,514.39 is: 5,275.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,950.35 : 5,929.74 = 3,514.39 : x
  2. Step 2: Convert to fraction form
    3,950.35/5,929.74 = 3,514.39/x
  3. Step 3: Cross multiply
    3,950.35x = 5,929.74 × 3,514.39
  4. Step 4: Simplify right side
    3,950.35x = 20,839,404.13
  5. Step 5: Solve for x
    x = 20,839,404.13/3,950.35
  6. Step 6: Final answer
    x = 5,275.33

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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.