Home / 3,898.11-5,843.68-1,432.36

Finding the Fourth Proportional to 3,898.11, 5,843.68 and 1,432.36

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Solution

The fourth proportional to 3,898.11, 5,843.68 and 1,432.36 is: 2,147.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,898.11 : 5,843.68 = 1,432.36 : x
  2. Step 2: Convert to fraction form
    3,898.11/5,843.68 = 1,432.36/x
  3. Step 3: Cross multiply
    3,898.11x = 5,843.68 × 1,432.36
  4. Step 4: Simplify right side
    3,898.11x = 8,370,253.48
  5. Step 5: Solve for x
    x = 8,370,253.48/3,898.11
  6. Step 6: Final answer
    x = 2,147.26

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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.