Home / 3,325.46-4,589.18-1,909.37

Finding the Fourth Proportional to 3,325.46, 4,589.18 and 1,909.37

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Solution

The fourth proportional to 3,325.46, 4,589.18 and 1,909.37 is: 2,634.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,325.46 : 4,589.18 = 1,909.37 : x
  2. Step 2: Convert to fraction form
    3,325.46/4,589.18 = 1,909.37/x
  3. Step 3: Cross multiply
    3,325.46x = 4,589.18 × 1,909.37
  4. Step 4: Simplify right side
    3,325.46x = 8,762,410.12
  5. Step 5: Solve for x
    x = 8,762,410.12/3,325.46
  6. Step 6: Final answer
    x = 2,634.95

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.