Home / 3,727.40-5,142.33-2,401.88

Finding the Fourth Proportional to 3,727.40, 5,142.33 and 2,401.88

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Solution

The fourth proportional to 3,727.40, 5,142.33 and 2,401.88 is: 3,313.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,727.40 : 5,142.33 = 2,401.88 : x
  2. Step 2: Convert to fraction form
    3,727.40/5,142.33 = 2,401.88/x
  3. Step 3: Cross multiply
    3,727.40x = 5,142.33 × 2,401.88
  4. Step 4: Simplify right side
    3,727.40x = 12,351,233.87
  5. Step 5: Solve for x
    x = 12,351,233.87/3,727.40
  6. Step 6: Final answer
    x = 3,313.64

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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.