Home / 3,857.32-5,774.64-2,391.76

Finding the Fourth Proportional to 3,857.32, 5,774.64 and 2,391.76

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Solution

The fourth proportional to 3,857.32, 5,774.64 and 2,391.76 is: 3,580.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,857.32 : 5,774.64 = 2,391.76 : x
  2. Step 2: Convert to fraction form
    3,857.32/5,774.64 = 2,391.76/x
  3. Step 3: Cross multiply
    3,857.32x = 5,774.64 × 2,391.76
  4. Step 4: Simplify right side
    3,857.32x = 13,811,552.97
  5. Step 5: Solve for x
    x = 13,811,552.97/3,857.32
  6. Step 6: Final answer
    x = 3,580.61

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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.