Home / 3,883.16-5,355.78-2,310.95

Finding the Fourth Proportional to 3,883.16, 5,355.78 and 2,310.95

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Solution

The fourth proportional to 3,883.16, 5,355.78 and 2,310.95 is: 3,187.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,883.16 : 5,355.78 = 2,310.95 : x
  2. Step 2: Convert to fraction form
    3,883.16/5,355.78 = 2,310.95/x
  3. Step 3: Cross multiply
    3,883.16x = 5,355.78 × 2,310.95
  4. Step 4: Simplify right side
    3,883.16x = 12,376,939.79
  5. Step 5: Solve for x
    x = 12,376,939.79/3,883.16
  6. Step 6: Final answer
    x = 3,187.34

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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.