Home / 3,898.34-5,847.69-2,165.66

Finding the Fourth Proportional to 3,898.34, 5,847.69 and 2,165.66

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Solution

The fourth proportional to 3,898.34, 5,847.69 and 2,165.66 is: 3,248.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,898.34 : 5,847.69 = 2,165.66 : x
  2. Step 2: Convert to fraction form
    3,898.34/5,847.69 = 2,165.66/x
  3. Step 3: Cross multiply
    3,898.34x = 5,847.69 × 2,165.66
  4. Step 4: Simplify right side
    3,898.34x = 12,664,108.33
  5. Step 5: Solve for x
    x = 12,664,108.33/3,898.34
  6. Step 6: Final answer
    x = 3,248.59

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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.