Home / 3,411.78-5,107.85-2,001.93

Finding the Fourth Proportional to 3,411.78, 5,107.85 and 2,001.93

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Solution

The fourth proportional to 3,411.78, 5,107.85 and 2,001.93 is: 2,997.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,411.78 : 5,107.85 = 2,001.93 : x
  2. Step 2: Convert to fraction form
    3,411.78/5,107.85 = 2,001.93/x
  3. Step 3: Cross multiply
    3,411.78x = 5,107.85 × 2,001.93
  4. Step 4: Simplify right side
    3,411.78x = 10,225,548.14
  5. Step 5: Solve for x
    x = 10,225,548.14/3,411.78
  6. Step 6: Final answer
    x = 2,997.13

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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.