Home / 3,427.82-5,142.18-1,579.35

Finding the Fourth Proportional to 3,427.82, 5,142.18 and 1,579.35

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Solution

The fourth proportional to 3,427.82, 5,142.18 and 1,579.35 is: 2,369.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,427.82 : 5,142.18 = 1,579.35 : x
  2. Step 2: Convert to fraction form
    3,427.82/5,142.18 = 1,579.35/x
  3. Step 3: Cross multiply
    3,427.82x = 5,142.18 × 1,579.35
  4. Step 4: Simplify right side
    3,427.82x = 8,121,298.26
  5. Step 5: Solve for x
    x = 8,121,298.26/3,427.82
  6. Step 6: Final answer
    x = 2,369.23

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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.