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Finding the Fourth Proportional to 3,959.28, 5,938.96 and 1,362.24

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Solution

The fourth proportional to 3,959.28, 5,938.96 and 1,362.24 is: 2,043.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,959.28 : 5,938.96 = 1,362.24 : x
  2. Step 2: Convert to fraction form
    3,959.28/5,938.96 = 1,362.24/x
  3. Step 3: Cross multiply
    3,959.28x = 5,938.96 × 1,362.24
  4. Step 4: Simplify right side
    3,959.28x = 8,090,288.87
  5. Step 5: Solve for x
    x = 8,090,288.87/3,959.28
  6. Step 6: Final answer
    x = 2,043.37

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1.5x scale

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.