Home / 3,960.63-5,945.55-2,318.36

Finding the Fourth Proportional to 3,960.63, 5,945.55 and 2,318.36

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Solution

The fourth proportional to 3,960.63, 5,945.55 and 2,318.36 is: 3,480.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,960.63 : 5,945.55 = 2,318.36 : x
  2. Step 2: Convert to fraction form
    3,960.63/5,945.55 = 2,318.36/x
  3. Step 3: Cross multiply
    3,960.63x = 5,945.55 × 2,318.36
  4. Step 4: Simplify right side
    3,960.63x = 13,783,925.30
  5. Step 5: Solve for x
    x = 13,783,925.30/3,960.63
  6. Step 6: Final answer
    x = 3,480.24

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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.