Home / 3,949.00-5,922.79-1,316.25

Finding the Fourth Proportional to 3,949.00, 5,922.79 and 1,316.25

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Solution

The fourth proportional to 3,949.00, 5,922.79 and 1,316.25 is: 1,974.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,949.00 : 5,922.79 = 1,316.25 : x
  2. Step 2: Convert to fraction form
    3,949.00/5,922.79 = 1,316.25/x
  3. Step 3: Cross multiply
    3,949.00x = 5,922.79 × 1,316.25
  4. Step 4: Simplify right side
    3,949.00x = 7,795,869.05
  5. Step 5: Solve for x
    x = 7,795,869.05/3,949.00
  6. Step 6: Final answer
    x = 1,974.14

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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.