Home / 3,717.76-5,585.28-2,179.84

Finding the Fourth Proportional to 3,717.76, 5,585.28 and 2,179.84

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Solution

The fourth proportional to 3,717.76, 5,585.28 and 2,179.84 is: 3,274.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,717.76 : 5,585.28 = 2,179.84 : x
  2. Step 2: Convert to fraction form
    3,717.76/5,585.28 = 2,179.84/x
  3. Step 3: Cross multiply
    3,717.76x = 5,585.28 × 2,179.84
  4. Step 4: Simplify right side
    3,717.76x = 12,175,016.76
  5. Step 5: Solve for x
    x = 12,175,016.76/3,717.76
  6. Step 6: Final answer
    x = 3,274.83

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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.