Home / 3,951.72-5,450.27-2,459.09

Finding the Fourth Proportional to 3,951.72, 5,450.27 and 2,459.09

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Solution

The fourth proportional to 3,951.72, 5,450.27 and 2,459.09 is: 3,391.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,951.72 : 5,450.27 = 2,459.09 : x
  2. Step 2: Convert to fraction form
    3,951.72/5,450.27 = 2,459.09/x
  3. Step 3: Cross multiply
    3,951.72x = 5,450.27 × 2,459.09
  4. Step 4: Simplify right side
    3,951.72x = 13,402,664.91
  5. Step 5: Solve for x
    x = 13,402,664.91/3,951.72
  6. Step 6: Final answer
    x = 3,391.60

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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.