Home / 3,881.30-5,816.70-2,783.25

Finding the Fourth Proportional to 3,881.30, 5,816.70 and 2,783.25

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Solution

The fourth proportional to 3,881.30, 5,816.70 and 2,783.25 is: 4,171.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,881.30 : 5,816.70 = 2,783.25 : x
  2. Step 2: Convert to fraction form
    3,881.30/5,816.70 = 2,783.25/x
  3. Step 3: Cross multiply
    3,881.30x = 5,816.70 × 2,783.25
  4. Step 4: Simplify right side
    3,881.30x = 16,189,330.28
  5. Step 5: Solve for x
    x = 16,189,330.28/3,881.30
  6. Step 6: Final answer
    x = 4,171.12

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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.