Home / 3,617.82-5,425.62-1,396.14

Finding the Fourth Proportional to 3,617.82, 5,425.62 and 1,396.14

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Solution

The fourth proportional to 3,617.82, 5,425.62 and 1,396.14 is: 2,093.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,617.82 : 5,425.62 = 1,396.14 : x
  2. Step 2: Convert to fraction form
    3,617.82/5,425.62 = 1,396.14/x
  3. Step 3: Cross multiply
    3,617.82x = 5,425.62 × 1,396.14
  4. Step 4: Simplify right side
    3,617.82x = 7,574,925.11
  5. Step 5: Solve for x
    x = 7,574,925.11/3,617.82
  6. Step 6: Final answer
    x = 2,093.78

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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.