Home / 3,388.72-4,676.17-1,896.36

Finding the Fourth Proportional to 3,388.72, 4,676.17 and 1,896.36

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Solution

The fourth proportional to 3,388.72, 4,676.17 and 1,896.36 is: 2,616.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,388.72 : 4,676.17 = 1,896.36 : x
  2. Step 2: Convert to fraction form
    3,388.72/4,676.17 = 1,896.36/x
  3. Step 3: Cross multiply
    3,388.72x = 4,676.17 × 1,896.36
  4. Step 4: Simplify right side
    3,388.72x = 8,867,701.74
  5. Step 5: Solve for x
    x = 8,867,701.74/3,388.72
  6. Step 6: Final answer
    x = 2,616.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.