Home / 3,940.48-5,911.52-1,475.24

Finding the Fourth Proportional to 3,940.48, 5,911.52 and 1,475.24

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Solution

The fourth proportional to 3,940.48, 5,911.52 and 1,475.24 is: 2,213.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,940.48 : 5,911.52 = 1,475.24 : x
  2. Step 2: Convert to fraction form
    3,940.48/5,911.52 = 1,475.24/x
  3. Step 3: Cross multiply
    3,940.48x = 5,911.52 × 1,475.24
  4. Step 4: Simplify right side
    3,940.48x = 8,720,910.76
  5. Step 5: Solve for x
    x = 8,720,910.76/3,940.48
  6. Step 6: Final answer
    x = 2,213.16

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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.