Home / 2,492.72-3,739.07-2,171.96

Finding the Fourth Proportional to 2,492.72, 3,739.07 and 2,171.96

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Solution

The fourth proportional to 2,492.72, 3,739.07 and 2,171.96 is: 3,257.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,492.72 : 3,739.07 = 2,171.96 : x
  2. Step 2: Convert to fraction form
    2,492.72/3,739.07 = 2,171.96/x
  3. Step 3: Cross multiply
    2,492.72x = 3,739.07 × 2,171.96
  4. Step 4: Simplify right side
    2,492.72x = 8,121,110.48
  5. Step 5: Solve for x
    x = 8,121,110.48/2,492.72
  6. Step 6: Final answer
    x = 3,257.93

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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.