Home / 3,428.35-5,141.75-963.42

Finding the Fourth Proportional to 3,428.35, 5,141.75 and 963.42

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Solution

The fourth proportional to 3,428.35, 5,141.75 and 963.42 is: 1,444.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,428.35 : 5,141.75 = 963.42 : x
  2. Step 2: Convert to fraction form
    3,428.35/5,141.75 = 963.42/x
  3. Step 3: Cross multiply
    3,428.35x = 5,141.75 × 963.42
  4. Step 4: Simplify right side
    3,428.35x = 4,953,640.69
  5. Step 5: Solve for x
    x = 4,953,640.69/3,428.35
  6. Step 6: Final answer
    x = 1,444.91

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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.