Home / 3,687.20-5,529.96-1,089.52

Finding the Fourth Proportional to 3,687.20, 5,529.96 and 1,089.52

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Solution

The fourth proportional to 3,687.20, 5,529.96 and 1,089.52 is: 1,634.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,687.20 : 5,529.96 = 1,089.52 : x
  2. Step 2: Convert to fraction form
    3,687.20/5,529.96 = 1,089.52/x
  3. Step 3: Cross multiply
    3,687.20x = 5,529.96 × 1,089.52
  4. Step 4: Simplify right side
    3,687.20x = 6,025,002.02
  5. Step 5: Solve for x
    x = 6,025,002.02/3,687.20
  6. Step 6: Final answer
    x = 1,634.03

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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.