Home / 3,449.76-5,176.40-2,633.28

Finding the Fourth Proportional to 3,449.76, 5,176.40 and 2,633.28

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Solution

The fourth proportional to 3,449.76, 5,176.40 and 2,633.28 is: 3,951.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,449.76 : 5,176.40 = 2,633.28 : x
  2. Step 2: Convert to fraction form
    3,449.76/5,176.40 = 2,633.28/x
  3. Step 3: Cross multiply
    3,449.76x = 5,176.40 × 2,633.28
  4. Step 4: Simplify right side
    3,449.76x = 13,630,910.59
  5. Step 5: Solve for x
    x = 13,630,910.59/3,449.76
  6. Step 6: Final answer
    x = 3,951.26

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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.