Home / 2,904.05-4,009.43-1,910.99

Finding the Fourth Proportional to 2,904.05, 4,009.43 and 1,910.99

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Solution

The fourth proportional to 2,904.05, 4,009.43 and 1,910.99 is: 2,638.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,904.05 : 4,009.43 = 1,910.99 : x
  2. Step 2: Convert to fraction form
    2,904.05/4,009.43 = 1,910.99/x
  3. Step 3: Cross multiply
    2,904.05x = 4,009.43 × 1,910.99
  4. Step 4: Simplify right side
    2,904.05x = 7,661,951.03
  5. Step 5: Solve for x
    x = 7,661,951.03/2,904.05
  6. Step 6: Final answer
    x = 2,638.37

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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.