Home / 3,894.08-5,401.36-3,753.98

Finding the Fourth Proportional to 3,894.08, 5,401.36 and 3,753.98

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Solution

The fourth proportional to 3,894.08, 5,401.36 and 3,753.98 is: 5,207.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,894.08 : 5,401.36 = 3,753.98 : x
  2. Step 2: Convert to fraction form
    3,894.08/5,401.36 = 3,753.98/x
  3. Step 3: Cross multiply
    3,894.08x = 5,401.36 × 3,753.98
  4. Step 4: Simplify right side
    3,894.08x = 20,276,597.41
  5. Step 5: Solve for x
    x = 20,276,597.41/3,894.08
  6. Step 6: Final answer
    x = 5,207.03

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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.