Home / 3,884.34-5,827.08-1,286.70

Finding the Fourth Proportional to 3,884.34, 5,827.08 and 1,286.70

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Solution

The fourth proportional to 3,884.34, 5,827.08 and 1,286.70 is: 1,930.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,884.34 : 5,827.08 = 1,286.70 : x
  2. Step 2: Convert to fraction form
    3,884.34/5,827.08 = 1,286.70/x
  3. Step 3: Cross multiply
    3,884.34x = 5,827.08 × 1,286.70
  4. Step 4: Simplify right side
    3,884.34x = 7,497,703.84
  5. Step 5: Solve for x
    x = 7,497,703.84/3,884.34
  6. Step 6: Final answer
    x = 1,930.24

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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.