Home / 3,392.08-5,081.81-2,001.51

Finding the Fourth Proportional to 3,392.08, 5,081.81 and 2,001.51

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Solution

The fourth proportional to 3,392.08, 5,081.81 and 2,001.51 is: 2,998.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,392.08 : 5,081.81 = 2,001.51 : x
  2. Step 2: Convert to fraction form
    3,392.08/5,081.81 = 2,001.51/x
  3. Step 3: Cross multiply
    3,392.08x = 5,081.81 × 2,001.51
  4. Step 4: Simplify right side
    3,392.08x = 10,171,283.53
  5. Step 5: Solve for x
    x = 10,171,283.53/3,392.08
  6. Step 6: Final answer
    x = 2,998.54

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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.