Home / 3,845.75-5,307.62-2,664.77

Finding the Fourth Proportional to 3,845.75, 5,307.62 and 2,664.77

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Solution

The fourth proportional to 3,845.75, 5,307.62 and 2,664.77 is: 3,677.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,845.75 : 5,307.62 = 2,664.77 : x
  2. Step 2: Convert to fraction form
    3,845.75/5,307.62 = 2,664.77/x
  3. Step 3: Cross multiply
    3,845.75x = 5,307.62 × 2,664.77
  4. Step 4: Simplify right side
    3,845.75x = 14,143,546.69
  5. Step 5: Solve for x
    x = 14,143,546.69/3,845.75
  6. Step 6: Final answer
    x = 3,677.71

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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.