Home / 3,404.16-5,107.32-1,213.38

Finding the Fourth Proportional to 3,404.16, 5,107.32 and 1,213.38

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Solution

The fourth proportional to 3,404.16, 5,107.32 and 1,213.38 is: 1,820.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,404.16 : 5,107.32 = 1,213.38 : x
  2. Step 2: Convert to fraction form
    3,404.16/5,107.32 = 1,213.38/x
  3. Step 3: Cross multiply
    3,404.16x = 5,107.32 × 1,213.38
  4. Step 4: Simplify right side
    3,404.16x = 6,197,119.94
  5. Step 5: Solve for x
    x = 6,197,119.94/3,404.16
  6. Step 6: Final answer
    x = 1,820.45

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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.