Home / 4,109.79-5,676.22-2,995.70

Finding the Fourth Proportional to 4,109.79, 5,676.22 and 2,995.70

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Solution

The fourth proportional to 4,109.79, 5,676.22 and 2,995.70 is: 4,137.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,109.79 : 5,676.22 = 2,995.70 : x
  2. Step 2: Convert to fraction form
    4,109.79/5,676.22 = 2,995.70/x
  3. Step 3: Cross multiply
    4,109.79x = 5,676.22 × 2,995.70
  4. Step 4: Simplify right side
    4,109.79x = 17,004,252.25
  5. Step 5: Solve for x
    x = 17,004,252.25/4,109.79
  6. Step 6: Final answer
    x = 4,137.50

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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.