Home / 3,893.08-5,399.98-3,752.98

Finding the Fourth Proportional to 3,893.08, 5,399.98 and 3,752.98

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Solution

The fourth proportional to 3,893.08, 5,399.98 and 3,752.98 is: 5,205.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,893.08 : 5,399.98 = 3,752.98 : x
  2. Step 2: Convert to fraction form
    3,893.08/5,399.98 = 3,752.98/x
  3. Step 3: Cross multiply
    3,893.08x = 5,399.98 × 3,752.98
  4. Step 4: Simplify right side
    3,893.08x = 20,266,016.94
  5. Step 5: Solve for x
    x = 20,266,016.94/3,893.08
  6. Step 6: Final answer
    x = 5,205.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.