Home / 3,400.86-5,101.23-1,936.89

Finding the Fourth Proportional to 3,400.86, 5,101.23 and 1,936.89

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Solution

The fourth proportional to 3,400.86, 5,101.23 and 1,936.89 is: 2,905.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,400.86 : 5,101.23 = 1,936.89 : x
  2. Step 2: Convert to fraction form
    3,400.86/5,101.23 = 1,936.89/x
  3. Step 3: Cross multiply
    3,400.86x = 5,101.23 × 1,936.89
  4. Step 4: Simplify right side
    3,400.86x = 9,880,521.37
  5. Step 5: Solve for x
    x = 9,880,521.37/3,400.86
  6. Step 6: Final answer
    x = 2,905.30

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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.