Home / 3,898.30-5,838.12-2,841.28

Finding the Fourth Proportional to 3,898.30, 5,838.12 and 2,841.28

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Solution

The fourth proportional to 3,898.30, 5,838.12 and 2,841.28 is: 4,255.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,898.30 : 5,838.12 = 2,841.28 : x
  2. Step 2: Convert to fraction form
    3,898.30/5,838.12 = 2,841.28/x
  3. Step 3: Cross multiply
    3,898.30x = 5,838.12 × 2,841.28
  4. Step 4: Simplify right side
    3,898.30x = 16,587,733.59
  5. Step 5: Solve for x
    x = 16,587,733.59/3,898.30
  6. Step 6: Final answer
    x = 4,255.12

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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.