Home / 3,995.72-5,508.16-2,579.29

Finding the Fourth Proportional to 3,995.72, 5,508.16 and 2,579.29

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Solution

The fourth proportional to 3,995.72, 5,508.16 and 2,579.29 is: 3,555.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,995.72 : 5,508.16 = 2,579.29 : x
  2. Step 2: Convert to fraction form
    3,995.72/5,508.16 = 2,579.29/x
  3. Step 3: Cross multiply
    3,995.72x = 5,508.16 × 2,579.29
  4. Step 4: Simplify right side
    3,995.72x = 14,207,170.91
  5. Step 5: Solve for x
    x = 14,207,170.91/3,995.72
  6. Step 6: Final answer
    x = 3,555.60

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1.5x scale

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.