Home / 3,394.86-5,088.78-2,007.92

Finding the Fourth Proportional to 3,394.86, 5,088.78 and 2,007.92

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Solution

The fourth proportional to 3,394.86, 5,088.78 and 2,007.92 is: 3,009.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,394.86 : 5,088.78 = 2,007.92 : x
  2. Step 2: Convert to fraction form
    3,394.86/5,088.78 = 2,007.92/x
  3. Step 3: Cross multiply
    3,394.86x = 5,088.78 × 2,007.92
  4. Step 4: Simplify right side
    3,394.86x = 10,217,837.69
  5. Step 5: Solve for x
    x = 10,217,837.69/3,394.86
  6. Step 6: Final answer
    x = 3,009.80

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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.