Home / 3,606.20-5,411.44-1,297.88

Finding the Fourth Proportional to 3,606.20, 5,411.44 and 1,297.88

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Solution

The fourth proportional to 3,606.20, 5,411.44 and 1,297.88 is: 1,947.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,606.20 : 5,411.44 = 1,297.88 : x
  2. Step 2: Convert to fraction form
    3,606.20/5,411.44 = 1,297.88/x
  3. Step 3: Cross multiply
    3,606.20x = 5,411.44 × 1,297.88
  4. Step 4: Simplify right side
    3,606.20x = 7,023,399.75
  5. Step 5: Solve for x
    x = 7,023,399.75/3,606.20
  6. Step 6: Final answer
    x = 1,947.59

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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.