Home / 3,288.44-4,931.04-1,339.04

Finding the Fourth Proportional to 3,288.44, 4,931.04 and 1,339.04

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Solution

The fourth proportional to 3,288.44, 4,931.04 and 1,339.04 is: 2,007.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,288.44 : 4,931.04 = 1,339.04 : x
  2. Step 2: Convert to fraction form
    3,288.44/4,931.04 = 1,339.04/x
  3. Step 3: Cross multiply
    3,288.44x = 4,931.04 × 1,339.04
  4. Step 4: Simplify right side
    3,288.44x = 6,602,859.80
  5. Step 5: Solve for x
    x = 6,602,859.80/3,288.44
  6. Step 6: Final answer
    x = 2,007.90

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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.