Home / 3,895.09-5,373.69-2,400.41

Finding the Fourth Proportional to 3,895.09, 5,373.69 and 2,400.41

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Solution

The fourth proportional to 3,895.09, 5,373.69 and 2,400.41 is: 3,311.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,895.09 : 5,373.69 = 2,400.41 : x
  2. Step 2: Convert to fraction form
    3,895.09/5,373.69 = 2,400.41/x
  3. Step 3: Cross multiply
    3,895.09x = 5,373.69 × 2,400.41
  4. Step 4: Simplify right side
    3,895.09x = 12,899,046.92
  5. Step 5: Solve for x
    x = 12,899,046.92/3,895.09
  6. Step 6: Final answer
    x = 3,311.61

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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.