Home / 3,427.14-5,142.47-1,454.12

Finding the Fourth Proportional to 3,427.14, 5,142.47 and 1,454.12

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Solution

The fourth proportional to 3,427.14, 5,142.47 and 1,454.12 is: 2,181.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,427.14 : 5,142.47 = 1,454.12 : x
  2. Step 2: Convert to fraction form
    3,427.14/5,142.47 = 1,454.12/x
  3. Step 3: Cross multiply
    3,427.14x = 5,142.47 × 1,454.12
  4. Step 4: Simplify right side
    3,427.14x = 7,477,735.49
  5. Step 5: Solve for x
    x = 7,477,735.49/3,427.14
  6. Step 6: Final answer
    x = 2,181.92

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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.