Home / 2,542.90-3,811.62-1,662.64

Finding the Fourth Proportional to 2,542.90, 3,811.62 and 1,662.64

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Solution

The fourth proportional to 2,542.90, 3,811.62 and 1,662.64 is: 2,492.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,542.90 : 3,811.62 = 1,662.64 : x
  2. Step 2: Convert to fraction form
    2,542.90/3,811.62 = 1,662.64/x
  3. Step 3: Cross multiply
    2,542.90x = 3,811.62 × 1,662.64
  4. Step 4: Simplify right side
    2,542.90x = 6,337,351.88
  5. Step 5: Solve for x
    x = 6,337,351.88/2,542.90
  6. Step 6: Final answer
    x = 2,492.18

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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.