Home / 3,002.88-4,505.28-1,271.04

Finding the Fourth Proportional to 3,002.88, 4,505.28 and 1,271.04

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Solution

The fourth proportional to 3,002.88, 4,505.28 and 1,271.04 is: 1,906.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,002.88 : 4,505.28 = 1,271.04 : x
  2. Step 2: Convert to fraction form
    3,002.88/4,505.28 = 1,271.04/x
  3. Step 3: Cross multiply
    3,002.88x = 4,505.28 × 1,271.04
  4. Step 4: Simplify right side
    3,002.88x = 5,726,391.09
  5. Step 5: Solve for x
    x = 5,726,391.09/3,002.88
  6. Step 6: Final answer
    x = 1,906.97

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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.