Home / 3,936.94-5,898.44-3,702.80

Finding the Fourth Proportional to 3,936.94, 5,898.44 and 3,702.80

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Solution

The fourth proportional to 3,936.94, 5,898.44 and 3,702.80 is: 5,547.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,936.94 : 5,898.44 = 3,702.80 : x
  2. Step 2: Convert to fraction form
    3,936.94/5,898.44 = 3,702.80/x
  3. Step 3: Cross multiply
    3,936.94x = 5,898.44 × 3,702.80
  4. Step 4: Simplify right side
    3,936.94x = 21,840,743.63
  5. Step 5: Solve for x
    x = 21,840,743.63/3,936.94
  6. Step 6: Final answer
    x = 5,547.64

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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.