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Finding the Fourth Proportional to 2,450, 3,381 and 1,402.04

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Solution

The fourth proportional to 2,450, 3,381 and 1,402.04 is: 1,934.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,450 : 3,381 = 1,402.04 : x
  2. Step 2: Convert to fraction form
    2,450/3,381 = 1,402.04/x
  3. Step 3: Cross multiply
    2,450x = 3,381 × 1,402.04
  4. Step 4: Simplify right side
    2,450x = 4,740,297.24
  5. Step 5: Solve for x
    x = 4,740,297.24/2,450
  6. Step 6: Final answer
    x = 1,934.82

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.