Home / 3,570.26-5,355.66-1,105.34

Finding the Fourth Proportional to 3,570.26, 5,355.66 and 1,105.34

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Solution

The fourth proportional to 3,570.26, 5,355.66 and 1,105.34 is: 1,658.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,570.26 : 5,355.66 = 1,105.34 : x
  2. Step 2: Convert to fraction form
    3,570.26/5,355.66 = 1,105.34/x
  3. Step 3: Cross multiply
    3,570.26x = 5,355.66 × 1,105.34
  4. Step 4: Simplify right side
    3,570.26x = 5,919,825.22
  5. Step 5: Solve for x
    x = 5,919,825.22/3,570.26
  6. Step 6: Final answer
    x = 1,658.09

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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.