Home / 3,947.68-5,921.97-1,350.01

Finding the Fourth Proportional to 3,947.68, 5,921.97 and 1,350.01

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Solution

The fourth proportional to 3,947.68, 5,921.97 and 1,350.01 is: 2,025.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,947.68 : 5,921.97 = 1,350.01 : x
  2. Step 2: Convert to fraction form
    3,947.68/5,921.97 = 1,350.01/x
  3. Step 3: Cross multiply
    3,947.68x = 5,921.97 × 1,350.01
  4. Step 4: Simplify right side
    3,947.68x = 7,994,718.72
  5. Step 5: Solve for x
    x = 7,994,718.72/3,947.68
  6. Step 6: Final answer
    x = 2,025.17

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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.