Home / 2,492.22-3,738.32-2,171.46

Finding the Fourth Proportional to 2,492.22, 3,738.32 and 2,171.46

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Solution

The fourth proportional to 2,492.22, 3,738.32 and 2,171.46 is: 3,257.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,492.22 : 3,738.32 = 2,171.46 : x
  2. Step 2: Convert to fraction form
    2,492.22/3,738.32 = 2,171.46/x
  3. Step 3: Cross multiply
    2,492.22x = 3,738.32 × 2,171.46
  4. Step 4: Simplify right side
    2,492.22x = 8,117,612.35
  5. Step 5: Solve for x
    x = 8,117,612.35/2,492.22
  6. Step 6: Final answer
    x = 3,257.18

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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.