Home / 3,898.08-5,843.61-1,431.18

Finding the Fourth Proportional to 3,898.08, 5,843.61 and 1,431.18

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Solution

The fourth proportional to 3,898.08, 5,843.61 and 1,431.18 is: 2,145.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,898.08 : 5,843.61 = 1,431.18 : x
  2. Step 2: Convert to fraction form
    3,898.08/5,843.61 = 1,431.18/x
  3. Step 3: Cross multiply
    3,898.08x = 5,843.61 × 1,431.18
  4. Step 4: Simplify right side
    3,898.08x = 8,363,257.76
  5. Step 5: Solve for x
    x = 8,363,257.76/3,898.08
  6. Step 6: Final answer
    x = 2,145.48

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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.