Home / 3,981.27-5,492.07-2,704.70

Finding the Fourth Proportional to 3,981.27, 5,492.07 and 2,704.70

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Solution

The fourth proportional to 3,981.27, 5,492.07 and 2,704.70 is: 3,731.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,981.27 : 5,492.07 = 2,704.70 : x
  2. Step 2: Convert to fraction form
    3,981.27/5,492.07 = 2,704.70/x
  3. Step 3: Cross multiply
    3,981.27x = 5,492.07 × 2,704.70
  4. Step 4: Simplify right side
    3,981.27x = 14,854,374.27
  5. Step 5: Solve for x
    x = 14,854,374.27/3,981.27
  6. Step 6: Final answer
    x = 3,731.06

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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.