Home / 3,949.58-5,922.38-1,316.16

Finding the Fourth Proportional to 3,949.58, 5,922.38 and 1,316.16

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Solution

The fourth proportional to 3,949.58, 5,922.38 and 1,316.16 is: 1,973.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,949.58 : 5,922.38 = 1,316.16 : x
  2. Step 2: Convert to fraction form
    3,949.58/5,922.38 = 1,316.16/x
  3. Step 3: Cross multiply
    3,949.58x = 5,922.38 × 1,316.16
  4. Step 4: Simplify right side
    3,949.58x = 7,794,799.66
  5. Step 5: Solve for x
    x = 7,794,799.66/3,949.58
  6. Step 6: Final answer
    x = 1,973.58

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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.