Home / 3,288.54-4,933.13-1,621.66

Finding the Fourth Proportional to 3,288.54, 4,933.13 and 1,621.66

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Solution

The fourth proportional to 3,288.54, 4,933.13 and 1,621.66 is: 2,432.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,288.54 : 4,933.13 = 1,621.66 : x
  2. Step 2: Convert to fraction form
    3,288.54/4,933.13 = 1,621.66/x
  3. Step 3: Cross multiply
    3,288.54x = 4,933.13 × 1,621.66
  4. Step 4: Simplify right side
    3,288.54x = 7,999,859.60
  5. Step 5: Solve for x
    x = 7,999,859.60/3,288.54
  6. Step 6: Final answer
    x = 2,432.65

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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.