Home / 3,188.20-4,782.66-1,545.64

Finding the Fourth Proportional to 3,188.20, 4,782.66 and 1,545.64

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Solution

The fourth proportional to 3,188.20, 4,782.66 and 1,545.64 is: 2,318.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,188.20 : 4,782.66 = 1,545.64 : x
  2. Step 2: Convert to fraction form
    3,188.20/4,782.66 = 1,545.64/x
  3. Step 3: Cross multiply
    3,188.20x = 4,782.66 × 1,545.64
  4. Step 4: Simplify right side
    3,188.20x = 7,392,270.60
  5. Step 5: Solve for x
    x = 7,392,270.60/3,188.20
  6. Step 6: Final answer
    x = 2,318.63

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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.