Home / 3,946.29-5,446.26-2,949.81

Finding the Fourth Proportional to 3,946.29, 5,446.26 and 2,949.81

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Solution

The fourth proportional to 3,946.29, 5,446.26 and 2,949.81 is: 4,071.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,946.29 : 5,446.26 = 2,949.81 : x
  2. Step 2: Convert to fraction form
    3,946.29/5,446.26 = 2,949.81/x
  3. Step 3: Cross multiply
    3,946.29x = 5,446.26 × 2,949.81
  4. Step 4: Simplify right side
    3,946.29x = 16,065,432.21
  5. Step 5: Solve for x
    x = 16,065,432.21/3,946.29
  6. Step 6: Final answer
    x = 4,071.02

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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.