Home / 3,892.08-5,369.94-2,400.24

Finding the Fourth Proportional to 3,892.08, 5,369.94 and 2,400.24

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Solution

The fourth proportional to 3,892.08, 5,369.94 and 2,400.24 is: 3,311.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,892.08 : 5,369.94 = 2,400.24 : x
  2. Step 2: Convert to fraction form
    3,892.08/5,369.94 = 2,400.24/x
  3. Step 3: Cross multiply
    3,892.08x = 5,369.94 × 2,400.24
  4. Step 4: Simplify right side
    3,892.08x = 12,889,144.79
  5. Step 5: Solve for x
    x = 12,889,144.79/3,892.08
  6. Step 6: Final answer
    x = 3,311.63

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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.