Home / 3,270.24-4,903.83-1,188.78

Finding the Fourth Proportional to 3,270.24, 4,903.83 and 1,188.78

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Solution

The fourth proportional to 3,270.24, 4,903.83 and 1,188.78 is: 1,782.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,270.24 : 4,903.83 = 1,188.78 : x
  2. Step 2: Convert to fraction form
    3,270.24/4,903.83 = 1,188.78/x
  3. Step 3: Cross multiply
    3,270.24x = 4,903.83 × 1,188.78
  4. Step 4: Simplify right side
    3,270.24x = 5,829,569.08
  5. Step 5: Solve for x
    x = 5,829,569.08/3,270.24
  6. Step 6: Final answer
    x = 1,782.61

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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.