Home / 3,036.72-4,553.22-1,391.70

Finding the Fourth Proportional to 3,036.72, 4,553.22 and 1,391.70

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Solution

The fourth proportional to 3,036.72, 4,553.22 and 1,391.70 is: 2,086.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,036.72 : 4,553.22 = 1,391.70 : x
  2. Step 2: Convert to fraction form
    3,036.72/4,553.22 = 1,391.70/x
  3. Step 3: Cross multiply
    3,036.72x = 4,553.22 × 1,391.70
  4. Step 4: Simplify right side
    3,036.72x = 6,336,716.27
  5. Step 5: Solve for x
    x = 6,336,716.27/3,036.72
  6. Step 6: Final answer
    x = 2,086.70

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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.