Home / 3,395.39-5,066.08-2,979.86

Finding the Fourth Proportional to 3,395.39, 5,066.08 and 2,979.86

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Solution

The fourth proportional to 3,395.39, 5,066.08 and 2,979.86 is: 4,446.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,395.39 : 5,066.08 = 2,979.86 : x
  2. Step 2: Convert to fraction form
    3,395.39/5,066.08 = 2,979.86/x
  3. Step 3: Cross multiply
    3,395.39x = 5,066.08 × 2,979.86
  4. Step 4: Simplify right side
    3,395.39x = 15,096,176.37
  5. Step 5: Solve for x
    x = 15,096,176.37/3,395.39
  6. Step 6: Final answer
    x = 4,446.09

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.