Home / 3,789.15-5,230.08-2,670

Finding the Fourth Proportional to 3,789.15, 5,230.08 and 2,670

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Solution

The fourth proportional to 3,789.15, 5,230.08 and 2,670 is: 3,685.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,789.15 : 5,230.08 = 2,670 : x
  2. Step 2: Convert to fraction form
    3,789.15/5,230.08 = 2,670/x
  3. Step 3: Cross multiply
    3,789.15x = 5,230.08 × 2,670
  4. Step 4: Simplify right side
    3,789.15x = 13,964,313.60
  5. Step 5: Solve for x
    x = 13,964,313.60/3,789.15
  6. Step 6: Final answer
    x = 3,685.34

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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.