Home / 2,471.28-3,704.36-1,171.76

Finding the Fourth Proportional to 2,471.28, 3,704.36 and 1,171.76

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Solution

The fourth proportional to 2,471.28, 3,704.36 and 1,171.76 is: 1,756.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,471.28 : 3,704.36 = 1,171.76 : x
  2. Step 2: Convert to fraction form
    2,471.28/3,704.36 = 1,171.76/x
  3. Step 3: Cross multiply
    2,471.28x = 3,704.36 × 1,171.76
  4. Step 4: Simplify right side
    2,471.28x = 4,340,620.87
  5. Step 5: Solve for x
    x = 4,340,620.87/2,471.28
  6. Step 6: Final answer
    x = 1,756.43

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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.