Home / 3,288.32-4,933.34-1,439.80

Finding the Fourth Proportional to 3,288.32, 4,933.34 and 1,439.80

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Solution

The fourth proportional to 3,288.32, 4,933.34 and 1,439.80 is: 2,160.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,288.32 : 4,933.34 = 1,439.80 : x
  2. Step 2: Convert to fraction form
    3,288.32/4,933.34 = 1,439.80/x
  3. Step 3: Cross multiply
    3,288.32x = 4,933.34 × 1,439.80
  4. Step 4: Simplify right side
    3,288.32x = 7,103,008.80
  5. Step 5: Solve for x
    x = 7,103,008.80/3,288.32
  6. Step 6: Final answer
    x = 2,160.07

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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.