Home / 3,115.26-4,674.60-1,383.84

Finding the Fourth Proportional to 3,115.26, 4,674.60 and 1,383.84

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Solution

The fourth proportional to 3,115.26, 4,674.60 and 1,383.84 is: 2,076.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,115.26 : 4,674.60 = 1,383.84 : x
  2. Step 2: Convert to fraction form
    3,115.26/4,674.60 = 1,383.84/x
  3. Step 3: Cross multiply
    3,115.26x = 4,674.60 × 1,383.84
  4. Step 4: Simplify right side
    3,115.26x = 6,468,898.46
  5. Step 5: Solve for x
    x = 6,468,898.46/3,115.26
  6. Step 6: Final answer
    x = 2,076.52

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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.