Home / 3,893.35-5,375.41-2,403.46

Finding the Fourth Proportional to 3,893.35, 5,375.41 and 2,403.46

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Solution

The fourth proportional to 3,893.35, 5,375.41 and 2,403.46 is: 3,318.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,893.35 : 5,375.41 = 2,403.46 : x
  2. Step 2: Convert to fraction form
    3,893.35/5,375.41 = 2,403.46/x
  3. Step 3: Cross multiply
    3,893.35x = 5,375.41 × 2,403.46
  4. Step 4: Simplify right side
    3,893.35x = 12,919,574.38
  5. Step 5: Solve for x
    x = 12,919,574.38/3,893.35
  6. Step 6: Final answer
    x = 3,318.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.