Home / 2,979.05-4,466.85-2,540.57

Finding the Fourth Proportional to 2,979.05, 4,466.85 and 2,540.57

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Solution

The fourth proportional to 2,979.05, 4,466.85 and 2,540.57 is: 3,809.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,979.05 : 4,466.85 = 2,540.57 : x
  2. Step 2: Convert to fraction form
    2,979.05/4,466.85 = 2,540.57/x
  3. Step 3: Cross multiply
    2,979.05x = 4,466.85 × 2,540.57
  4. Step 4: Simplify right side
    2,979.05x = 11,348,313.24
  5. Step 5: Solve for x
    x = 11,348,313.24/2,979.05
  6. Step 6: Final answer
    x = 3,809.38

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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.