Home / 3,120.44-4,305.62-2,529.94

Finding the Fourth Proportional to 3,120.44, 4,305.62 and 2,529.94

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Solution

The fourth proportional to 3,120.44, 4,305.62 and 2,529.94 is: 3,490.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,120.44 : 4,305.62 = 2,529.94 : x
  2. Step 2: Convert to fraction form
    3,120.44/4,305.62 = 2,529.94/x
  3. Step 3: Cross multiply
    3,120.44x = 4,305.62 × 2,529.94
  4. Step 4: Simplify right side
    3,120.44x = 10,892,960.26
  5. Step 5: Solve for x
    x = 10,892,960.26/3,120.44
  6. Step 6: Final answer
    x = 3,490.84

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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.