Home / 3,949.43-5,924.54-1,316.39

Finding the Fourth Proportional to 3,949.43, 5,924.54 and 1,316.39

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Solution

The fourth proportional to 3,949.43, 5,924.54 and 1,316.39 is: 1,974.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,949.43 : 5,924.54 = 1,316.39 : x
  2. Step 2: Convert to fraction form
    3,949.43/5,924.54 = 1,316.39/x
  3. Step 3: Cross multiply
    3,949.43x = 5,924.54 × 1,316.39
  4. Step 4: Simplify right side
    3,949.43x = 7,798,978.88
  5. Step 5: Solve for x
    x = 7,798,978.88/3,949.43
  6. Step 6: Final answer
    x = 1,974.71

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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.