Home / 2,540.70-3,506.49-2,492.10

Finding the Fourth Proportional to 2,540.70, 3,506.49 and 2,492.10

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Solution

The fourth proportional to 2,540.70, 3,506.49 and 2,492.10 is: 3,439.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,540.70 : 3,506.49 = 2,492.10 : x
  2. Step 2: Convert to fraction form
    2,540.70/3,506.49 = 2,492.10/x
  3. Step 3: Cross multiply
    2,540.70x = 3,506.49 × 2,492.10
  4. Step 4: Simplify right side
    2,540.70x = 8,738,523.73
  5. Step 5: Solve for x
    x = 8,738,523.73/2,540.70
  6. Step 6: Final answer
    x = 3,439.42

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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.