Home / 3,811.34-5,712.91-2,490.94

Finding the Fourth Proportional to 3,811.34, 5,712.91 and 2,490.94

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Solution

The fourth proportional to 3,811.34, 5,712.91 and 2,490.94 is: 3,733.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,811.34 : 5,712.91 = 2,490.94 : x
  2. Step 2: Convert to fraction form
    3,811.34/5,712.91 = 2,490.94/x
  3. Step 3: Cross multiply
    3,811.34x = 5,712.91 × 2,490.94
  4. Step 4: Simplify right side
    3,811.34x = 14,230,516.04
  5. Step 5: Solve for x
    x = 14,230,516.04/3,811.34
  6. Step 6: Final answer
    x = 3,733.73

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.