Home / 3,968.32-5,942.40-3,317.44

Finding the Fourth Proportional to 3,968.32, 5,942.40 and 3,317.44

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Solution

The fourth proportional to 3,968.32, 5,942.40 and 3,317.44 is: 4,967.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,968.32 : 5,942.40 = 3,317.44 : x
  2. Step 2: Convert to fraction form
    3,968.32/5,942.40 = 3,317.44/x
  3. Step 3: Cross multiply
    3,968.32x = 5,942.40 × 3,317.44
  4. Step 4: Simplify right side
    3,968.32x = 19,713,555.46
  5. Step 5: Solve for x
    x = 19,713,555.46/3,968.32
  6. Step 6: Final answer
    x = 4,967.73

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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.