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Finding the Fourth Proportional to 3,889.46, 5,832.04 and 2,658.26

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Solution

The fourth proportional to 3,889.46, 5,832.04 and 2,658.26 is: 3,985.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,889.46 : 5,832.04 = 2,658.26 : x
  2. Step 2: Convert to fraction form
    3,889.46/5,832.04 = 2,658.26/x
  3. Step 3: Cross multiply
    3,889.46x = 5,832.04 × 2,658.26
  4. Step 4: Simplify right side
    3,889.46x = 15,503,078.65
  5. Step 5: Solve for x
    x = 15,503,078.65/3,889.46
  6. Step 6: Final answer
    x = 3,985.92

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1.5x scale

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.