Home / 3,407.75-5,112.34-1,099.07

Finding the Fourth Proportional to 3,407.75, 5,112.34 and 1,099.07

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Solution

The fourth proportional to 3,407.75, 5,112.34 and 1,099.07 is: 1,648.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,407.75 : 5,112.34 = 1,099.07 : x
  2. Step 2: Convert to fraction form
    3,407.75/5,112.34 = 1,099.07/x
  3. Step 3: Cross multiply
    3,407.75x = 5,112.34 × 1,099.07
  4. Step 4: Simplify right side
    3,407.75x = 5,618,788.47
  5. Step 5: Solve for x
    x = 5,618,788.47/3,407.75
  6. Step 6: Final answer
    x = 1,648.83

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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.