Home / 3,404.72-5,106.60-1,213.13

Finding the Fourth Proportional to 3,404.72, 5,106.60 and 1,213.13

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Solution

The fourth proportional to 3,404.72, 5,106.60 and 1,213.13 is: 1,819.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,404.72 : 5,106.60 = 1,213.13 : x
  2. Step 2: Convert to fraction form
    3,404.72/5,106.60 = 1,213.13/x
  3. Step 3: Cross multiply
    3,404.72x = 5,106.60 × 1,213.13
  4. Step 4: Simplify right side
    3,404.72x = 6,194,969.66
  5. Step 5: Solve for x
    x = 6,194,969.66/3,404.72
  6. Step 6: Final answer
    x = 1,819.52

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1.5x scale

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.