Home / 3,188.72-4,383.44-2,849.06

Finding the Fourth Proportional to 3,188.72, 4,383.44 and 2,849.06

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Solution

The fourth proportional to 3,188.72, 4,383.44 and 2,849.06 is: 3,916.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,188.72 : 4,383.44 = 2,849.06 : x
  2. Step 2: Convert to fraction form
    3,188.72/4,383.44 = 2,849.06/x
  3. Step 3: Cross multiply
    3,188.72x = 4,383.44 × 2,849.06
  4. Step 4: Simplify right side
    3,188.72x = 12,488,683.57
  5. Step 5: Solve for x
    x = 12,488,683.57/3,188.72
  6. Step 6: Final answer
    x = 3,916.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.