Home / 3,947.54-5,920.29-1,173.56

Finding the Fourth Proportional to 3,947.54, 5,920.29 and 1,173.56

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Solution

The fourth proportional to 3,947.54, 5,920.29 and 1,173.56 is: 1,760.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,947.54 : 5,920.29 = 1,173.56 : x
  2. Step 2: Convert to fraction form
    3,947.54/5,920.29 = 1,173.56/x
  3. Step 3: Cross multiply
    3,947.54x = 5,920.29 × 1,173.56
  4. Step 4: Simplify right side
    3,947.54x = 6,947,785.93
  5. Step 5: Solve for x
    x = 6,947,785.93/3,947.54
  6. Step 6: Final answer
    x = 1,760.03

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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.