Home / 3,404.09-5,106.54-1,213.04

Finding the Fourth Proportional to 3,404.09, 5,106.54 and 1,213.04

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Solution

The fourth proportional to 3,404.09, 5,106.54 and 1,213.04 is: 1,819.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,404.09 : 5,106.54 = 1,213.04 : x
  2. Step 2: Convert to fraction form
    3,404.09/5,106.54 = 1,213.04/x
  3. Step 3: Cross multiply
    3,404.09x = 5,106.54 × 1,213.04
  4. Step 4: Simplify right side
    3,404.09x = 6,194,411.75
  5. Step 5: Solve for x
    x = 6,194,411.75/3,404.09
  6. Step 6: Final answer
    x = 1,819.70

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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.